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Every bridge in Stephenson County, Illinois

Name: Every bridge in Stephenson County, Illinois
Creator: Bridge Report Card
License: https://creativecommons.org/publicdomain/zero/1.0/

340 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Stephenson County, Illinois, has 340 bridges in the 2025 National Bridge Inventory: 203 rated good, 126 fair, and 11 poor (as of August 20, 2026).
This index lists every one of them, busiest first; each links to its own condition record.

Bridge	Built	Vehicles/day	Condition
US 20 & Private Rd over Silver Creek Trib	1959	12,700	Fair
US 20 EB over Sumner Creek	1959	12,700	Fair
US 20 EB over Wickham Creek	1999	12,700	Fair
US 20 WB over Wickham Creek	1983	12,700	Fair
US 20WB over Sumner Creek	1994	12,700	Good
Il 26 over Yellow Creek	1988	12,600	Fair
Ill 26 (fap 316) over Pecatonica River	1983	12,500	Fair
Ill 26 over Cn RR	1986	12,500	Fair
Il 26 over Drainage Ditch	1995	9,100	Good
US 20 over Cn Railroad	2010	8,050	Fair
US 20 EB over Ill Rt 26	1986	7,300	Fair
US 20 WB over Ill Rt 26	1986	7,300	Fair
US 20 over Pecatonica Riv. Trib	1985	7,300	Good
US 20 Br over Cn RR	1956	7,000	Fair
US 20 Br over Small Creek	1956	7,000	Fair
US 20 Br over Yellow Creek	1956	7,000	Fair
US20B West Bound L over Silver Creek	1987	6,900	Fair
US20B West Bound L over US20 Freeport Bypass	1987	6,900	Fair
US 20 EB over Pecatonica River	1982	6,800	Fair
US 20 WB over Pecatonica River	2008	6,800	Fair
Ill 26 over Trib. of Cedar Creek	1982	6,500	Good
US 20 EB over Silver Creek	1987	6,200	Fair
US 20 WB over Silver Creek	1987	6,200	Fair
US 20 over Creek	1900	6,150	Fair
US Route 20 EB over Bike Trail	1987	6,150	Fair
US Route 20 WB over Bike Trail	2011	6,150	Fair
US Route 20 WB over Pecatonica River	2011	6,150	Fair
US20 Freeport Bypa over Pecatonica Riv Trib	1987	6,150	Fair
US20 Freport Byps over Pecatonica River	1987	6,150	Fair
US 20 EB Freprt By over Il 75	1986	6,100	Fair
US20WB Freeport By over Il Rt 75	2004	6,100	Fair
US 20 over Yellow Creek	1995	5,750	Good
US Rt 20 over Yellow Creek	1970	5,750	Fair
Ill 26 over Cedar Creek	1981	5,400	Fair
Ill 26 over Stream	1977	4,750	Fair
Fap 316-il 26 over Brush Creek	1991	4,600	Fair
Il 26 over Drainage Ditch	1995	4,550	Fair
Il 75 over Pecatonica River	1946	4,150	Fair
Walnut Road over Yellow Creek	1964	4,050	Good
Il 26 over Richland Creek	2000	3,950	Good
Fairground Road over Yellow Creek	1973	3,450	Fair
Il 75 over Rock Run Creek	1996	3,300	Good
Ill Rt 75 over Rock Run Creek	2011	3,300	Fair
Il 73 over Drainage	2008	3,150	Good
US Bus. 20 over Preston Creek	1999	2,900	Good
Il 73 over Trib. Yellow Creek	2002	2,850	Good
Il 75 over Drainage Ditch	2007	2,800	Good
Il 75 over Drainage Ditch	2007	2,800	Good
Fap 505 - Il 75 over Currier Creek	1991	2,700	Good
Pearl City Rd over Yellow CR Branch	1927	2,650	Fair
Il 75 over Drainage	2009	2,600	Good
Pearl City Rd. over Yellow CR. Br.	1940	2,400	Fair
Pearl City Rd. over Yellow Creek	1940	2,400	Good
Il 73 over Yellow Creek	1992	2,350	Fair
Il 75 over Drainage	2022	2,300	Good
W. Pearl City Rd over Br Yellow Creek	1997	2,200	Good
Il 73 over Spring Creek	1992	2,150	Fair
Il 73 over Trib. Yellow Creek	1992	2,100	Fair
Ill 73 over Yellow Creek	1985	2,100	Good
Ill 73 over Waddams Creek	1983	2,050	Fair
Ill 73 over Indian Creek	1931	1,700	Fair
Baileyville Rd. over Yellow Creek	1937	1,650	Fair
Galena Rd over Unnamed Creek	1931	1,650	Good
N. Davis Road over S. Br. Otter Creek	1995	1,650	Good
Baileyville Road over Crane Creek Branch	1937	1,600	Fair
Orangeville Rd. over Richland Creek	1959	1,500	Fair
N.van Brocklyn Roa over Br of Preston Creek	2000	1,400	Good
Cedarville Rd over Branch Waddams Creek	1936	1,300	Fair
Hancock Avenue over Pecatonica River	1952	1,300	Poor
Cedarville Road over Cedar Creek	1996	1,250	Good
Cedarville Road over Cedar Creek Overflow	1996	1,250	Good
Il Rte 73 over Creek	2008	1,250	Good
Ill 73 over Cedar Creek	1990	1,250	Fair
Ill 73 over Trib Pecatonica R	1931	1,250	Fair
Cedarville Rd over Pecatonica River	1999	1,200	Good
Winslow Road over Honey Creek	2003	1,200	Good
Winslow Road over Pecatonica River	1941	1,200	Fair
Rock City Rd over Pecatonica River	1950	1,150	Good
Cedarville Rd over Richland Creek	2009	1,100	Good
Cedarville Road over Richland CR Overflow	1996	1,100	Good
E. Cedarville Rd. over Brown Creek	1940	1,050	Fair
Cedarville Rd. over Rock Run	2007	950	Good
Fas 60 (ch 5) over Branch Brown Creek	2023	950	Good
N. Bolton Road over Preston Creek	2011	950	Good
N. Park Road over Yellow Creek	1919	950	Poor
Becker School Rd. over Br of Yellow Creek	1965	900	Fair
Bolton Rd over Lost Creek	2014	900	Good
E Mcconell Rd over Cedar Creek	2022	900	Good
Mc Connell Rd over Pecatonica River	1936	900	Good
Old Il 26 over Richland Creek Trib.	1991	900	Good
S. Rock City Road over Stream	1931	900	Good
Bolton Road over Yellow Creek	1958	850	Fair
Henderson Road-tr2 over US 20 Freeport Bypas	1985	850	Fair
Rock City Rd over Brown Creek	1962	850	Fair
Bolton Rd over Br of Preston Creek	1945	800	Fair
Davis Road over Happy Hollow Creek	1982	800	Good
E Rock Grove Rd over Rock Run CR	2006	800	Good
Mcconnell Road over Branch Pecatonica Rv	1977	800	Good
E Montague Road over Br of Mud Creek	1987	775	Good
E. Rock Grove Rd over Rock Run Creek	1997	775	Good
E. Rock Grove Rd over South Otter Creek	1994	775	Good
West Lily Creek Ro over Br of Preston Creek	1969	750	Fair
FAS 61 W. McConn.R over Branch Spring Creek	1940	725	Fair
Rock City Rd over Rock Run CR	1965	725	Fair
W. Stephenson St R over Br. of Preston Creek	1993	725	Good
Factory Road over Brnch of Cedar Crk	1951	700	Fair
East Lamm Road over Cranes Grove Creek	1980	650	Fair
Orangeville Rd. over Unnamed Stream	1958	600	Fair
Dublin Rd. over Yellow CR Branch	1966	575	Good
Dublin Rd. over Yellow Creek	1966	575	Fair
Rink Road over Unnamed Stream	2000	575	Good
Gold Mine Rd over E Plum River	2010	525	Good
Lake Rd over Waddams CR	1959	525	Fair
Tr-111 (main Rd) over Br of Yellow Creek	1939	525	Good
Old Il 26 over E Br Richland Creek	1927	475	Poor
Old Il 26 over Richland Ck&c Wis RR	1929	475	Poor
Old Il 26 over W.br. Richland Creek	1999	475	Good
S Shannon Road over Lost Creek	1957	450	Good
Afolkey Rd over Cedar Creek	2023	425	Good
Tr-224 N Afolkey R over Br of Cedar Creek	1966	425	Good
Five Corners Road over Waddams Creek	1982	400	Good
N Henderson Road over Cedar Creek	2004	400	Good
Warren Rd. over Indian Creek	1962	400	Fair
Warren Road over E Spafford CR	1962	400	Fair
Warren Road over Spafford Creek	1962	400	Fair
E. River Road over Branch Pecatonica R	1937	375	Fair
Loran Road over Plum River	1999	375	Good
North Dakota Rd over Branch Cedar Creek	1943	375	Poor
River Road over US 20 Freeport Bypas	1984	375	Fair
Mc Connell Rd over Richland Creek	1952	350	Good
Kent Road over Yellow Creek	1947	325	Good
Kent Road over Yellow Creek	2012	325	Good
Springfield Rd over US20 Freeport Bypass	1986	310	Fair
Farwell Br. Rd. over Pink Creek	1971	300	Fair
Farwell Bridge Roa over Pecatonica River	1971	300	Poor
Farwell Bridge Roa over Pink Creek Overflow	1971	300	Good
Flansburg Rd over Br of Pecatonica Riv	1957	300	Good
Harlem Center Rd over US20 Freeport Bypass	1987	300	Fair
North Ayp Road over Br of Pecatonica Riv	1965	300	Good
Red Oak Rd - Ch 5 over Cedar Creek	1994	300	Good
Red Oak Rd over Br of Richland Creek	2000	300	Good
TR-610 (Jay Street over Willow Lake Trib	2017	300	Good
US Route 20 (frnt over Trib. Pecatonica Rvr	2011	300	Good
N Hulbert Rd over Muddy Creek	2021	275	Good
N. Flansburg Road over Br. Pecatonica River	1998	275	Good
Becker School Road over Stream	1977	250	Good
FAS-78 (N AYP Rd) over Br. Pecatonica River	2017	250	Good
N Cockrell RD(TR17 over Cedar Creek	1991	250	Good
River Road over Winneshiek Creek	1951	250	Good
Christian Hollow R over Indian Creek	1977	225	Good
E. Knaup Road over Brown Creek	2009	225	Good
Flansburg Rd over Br of Pecatonica Rv	2018	225	Good
N Flansberg Road over Waddams Creek	1962	225	Fair
N Flansburg Road over Br of Pecatonica Riv	1947	225	Fair
North Flansburg Rd over Spring Creek	1970	225	Good
River Rd. over Br Pecatonica River	1953	225	Good
Scioto Mills Rd. over Richland Creek	1968	225	Fair
W Winnesheik Rd over Ducks Misery	1897	225	Fair
W Winnesheik Road over Pecatonica River	1983	225	Fair
W. Winnesheik Road over Br. Pecatonica River	1991	225	Good
Winnesheik Road over Winnesheik Creek	1976	225	Good
Hollywood Rd over Yellow Creek	1999	200	Good
Loran Rd. over Plum CR. Br.	1934	200	Poor
N Afolkey Road over Brush Creek	1914	200	Poor
N Harlem Center Rd over Preston Creek	1971	200	Good
Sabin Church Road over Lost Creek	1968	200	Fair
South Loran Rd over Branch Plum Creek	1935	200	Good
W. Sabin Church Rd over Boone Br. Lost Creek	1967	200	Fair
Rink Rd over Br of Pecatonica Riv	1962	175	Good
W Florence Rd over Br of Yellow Creek	1940	175	Fair
E. Hickory Grove R over Cedar Creek	1957	150	Fair
E. Ridott Road over Wickham Creek	1959	150	Fair
N Henderson Road over Brush Creek	1957	150	Fair
N. Dakota Rd over Winnesheik CR Branch	1962	150	Fair
S Farwell Bridge R over Sumner Creek Branch	1969	150	Good
S Kent Rd over Br of Plum Creek	2015	150	Good
S. Park Road over Yellow Creek	1934	150	Fair
State Ln RD(FAS104 over Indian Creek	1990	150	Good
Tower Road over US20 Freeport Bypass	2004	150	Fair
W State Line Road over Indian Creek	1956	150	Fair
W State Line Road over Indian Creek	1956	150	Good
E Pleasant View Ro over Rock Run Creek	1981	125	Good
W Dameier Rd over Br of Yellow Creek	2013	125	Good
Browns Mill Road over Stream	1981	100	Good
E Winnesheik Road over Rock Run Creek	1972	100	Good
East Angle Rd over Branch Cedar Creek	1964	100	Good
N Imobersteg Rd over Br of Richland Creek	1970	100	Fair
N. Bolender Rd over E. Br. Richland Crk.	1994	100	Good
N. Bolender Road over E Br Richland Creek	1992	100	Good
North Bolender Rd over Br of E Richland CR	1968	100	Fair
North Rees Rd over Br of Yellow Crk	2013	100	Good
S Bolen Rd-tr 316 over Sumner Creek	2021	100	Good
S Mill Grove Road over Lost Creek	1979	100	Good
S Mill Grove Road over Yellow Creek	1931	100	Poor
So Walnut Road over Cranes Grove Creek	1970	100	Fair
W Babbs Grove Road over Yellow Creek Branch	1982	100	Good
W Brush Creek Road over Richland Creek	1977	100	Fair
W. Oak Street Road over Br of Yellow Creek	1950	100	Fair
West Loran Road over Spring Branch	1980	100	Good
Basswood Road over Br of Pecatonica Riv	1964	75	Good
E Farm School Road over Brown Creek	1985	75	Good
E. Brick School Ro over Br of Winneshiek Cre	1959	75	Fair
E. St. James Rd. over Brush Creek	1960	75	Fair
East Angle Road over Cedar Creek	1898	75	Fair
East Angle over Coon Creek	1950	75	Fair
East Lamm Road over Silver Creek	1932	75	Good
East Maize Road over Rock Run Creek	1983	75	Good
East Maize Road over Winnesheik Creek	1971	75	Fair
East Mill Road over Cedar Creek	1968	75	Fair
East St James Rd over Cedar Creek	1954	75	Good
Hollywood Rd over Br of Crane Grove CR	2023	75	Good
Maize Road over Morrison Spring Br	1985	75	Good
N Excelsior Road over Cedar Creek	1984	75	Good
N Fawver Road over Winnesheik Creek	2010	75	Good
N Henderson Road over Little Richland Crk.	1995	75	Good
N Irish Grove Road over Pink Creek	1976	75	Good
N Shippee Road over Waddams Creek	1938	75	Fair
N. Damascus RD/TR1 over Muddy Creek	1993	75	Good
North Stubbe Road over Br of Pecatonica Riv	1965	75	Good
Rees Road over Br of Yellow Creek	2003	75	Good
School Street over Cedar Creek	2019	75	Good
South Koch Road over Br of E Plum River	2002	75	Good
St James Road over Brush Creek	1978	75	Good
St. James Rd.(tr 3 over Branch Muddy Creek	1991	75	Good
TR-38 (W Mound Rd) over Br of Yellow Creek	1983	75	Good
Town Hall Rd over Br of Pecatonica Riv	1954	75	Fair
Tr 189 Maize Rd over Br of Pecatonica Riv	2024	75	Good
W Florence Road over Br of Crane Grove CR	1984	75	Good
W Pin Hook Road over Waddams Creek	1954	75	Fair
W Shippee Road over Br of Waddams Creek	1920	75	Fair
W. Stephenson St. over Br of Yellow Creek	1969	75	Fair
West Buckeye Road over Br of Richland Creek	1986	75	Good
West Butz Road over Lost Creek	1971	75	Good
West Greenbush Roa over Br of Yellow Creek	1962	75	Good
West Main Road over Yellow Creek	1988	75	Good
West Raders Road over Br of Yellow Creek	1965	75	Fair
West Range Road over Br of Waddams Creek	1979	75	Good
Winnesheik Road over Pink Creek	1968	75	Good
Beaver Road over Richland Creek	1983	50	Fair
Brush Creek Rd over Br of Richland Creek	2008	50	Good
Co Divide Rd over Br of Yellow Creek	1952	50	Fair
Dean Road over Rock Run Creek	1964	50	Fair
E Brick School Rd over Brown Creek	1988	50	Good
E Brick School Roa over Rock Run Creek	1978	50	Good
E Brick School Roa over Winneshiek Creek	1973	50	Good
E Farm School Road over Rock Run Creek	1984	50	Good
E Greenfield Road over Sumner Creek	2006	50	Good
E Kelly Rd over Cn RR	1901	50	Good
E Pleasantview Roa over Rock Run Creek	1981	50	Good
E Walnut Gr Rd-tr6 over Happy Hollow Creek	1994	50	Good
E. Brick School Rd over Br. of Pink Creek	1992	50	Good
E. Currier Road over Br of Pecatonica Riv	1961	50	Fair
East Buckeye Road over Coon Creek	1992	50	Good
East Elm Road over Coon Creek	1976	50	Fair
East Lamm Road over Br of Sumner Creek	1976	50	Good
East Lamm Road over Sumner Creek	1989	50	Good
Elroy Rd over Br of Pecatonica Rvr	2003	50	Good
Gerbick Rd over Br of Yellow Creek	1962	50	Good
Hillcrest Road over Trib. of Pec. River	2009	50	Good
Kermit Road over Br of Yellow Creek	1986	50	Good
Kuhlemeyer Road over Unnamed Stream	1984	50	Good
N Eggert Road over Rock Run Creek	1982	50	Good
N Siedschlag Road over Rock Run	1986	50	Good
N Sunnyside Road over Yellow Creek	1986	50	Fair
N. Church Road over Br Rock Run Creek	1996	50	Good
N. Kinney Road over Brown Creek	1995	50	Good
N. Ridge Rd over Trib of Ricklan Crk	2005	50	Good
N. Wayne Road over Br of Spafford Creek	1969	50	Fair
No Wayne Road over Spafford Creek Branc	1985	50	Good
North Eggert Road over Rock Run Creek	1978	50	Good
North Kinney Road over Morrison Spring Br.	1999	50	Good
North Mill Rd over Br of Pecatonica Riv	1952	50	Fair
North Mill Rd over Br of Pecatonica Riv	1968	50	Fair
North Sunnyside Rd over Br of Yellow Creek	1971	50	Good
North Unity Rd over Spring Creek	1954	50	Good
North Unity Road over Waddams Creek	1983	50	Good
Old Mill Road over Muddy Creek	1989	50	Fair
Oppold Rd over Br Pecatonica River	1935	50	Fair
Park Road over Br Crane Grove Creek	1988	50	Good
Preston Rd over Br of Preston Creek	1941	50	Fair
Range Rd over Br of Pecatonica Riv	1969	50	Good
S Lost Creek Road over Lost Creek	1965	50	Good
S. Cranes Grove Ro over Cranes Grove Creek	1996	50	Fair
So Stone Church Ro over Br. of Plum River	1971	50	Fair
South Rees Road over Br of Yellow Creek	1982	50	Good
South Schuman Road over Spring Branch	2000	50	Good
Tr-201 E Currier R over Br of Pecatonica Riv	1962	50	Fair
Unity Rd over Trib of Waddams Crk	2005	50	Good
W Blair Rd over Br of Spafford CR	1987	50	Good
W Blair Road over Indian Creek	1982	50	Good
W Block Road over Br of Yellow Creek	1978	50	Good
W Block Road over Yellow Creek	1985	50	Good
W Ditzler Road over East Plum River	1984	50	Good
W Goddard Road over Br of Yellow Creek	2009	50	Good
W Hershey Road over Br of E Plum River	1988	50	Good
W Lonesome Road over E Plum River	1980	50	Good
W Prairie Road over Br of Yellow Creek	1981	50	Good
W Raders Road over Br of Yellow Creek	1981	50	Fair
W Richland Road over Br of Richland CR	1986	50	Good
W Richland Road over Richland Creek	1987	50	Good
W State Line Road over Richland Creek	1987	50	Good
W State Line Road over Spafford Creek	1930	50	Fair
W. Goddard Road over Br of Yellow Creek	1991	50	Good
W. Koeller Road over East Plum River	1992	50	Poor
W. Prairie Road over Br of Yellow Creek	1969	50	Good
W. State Line Rd over Honey Creek	1998	50	Good
West Blair over Spafford Creek	1953	50	Fair
West Dublin Road over Br of Yellow Creek	1980	50	Good
West Greenbush Roa over Yellow Creek	1975	50	Good
West Lott Road over Br of E Fk E Plum	1998	50	Good
West Nora Road over Indian Creek	1980	50	Good
West Preston Road over Preston Creek	2022	50	Good
Hershey Rd over E Plum CR Branch	1986	35	Good
Tr 93 over Yellow Creek	2021	35	Good
Babler Road over Brush Creek	2024	25	Good
Baker Road (tr 14) over Branch Yellow Creek	1989	25	Good
E Knaup Rd over Rock Run Creek	1987	25	Good
E. Blair Road over Pink Creek	1991	25	Good
East Airport Road over Small Creek	1978	25	Good
East Felts Road over S Branch Otter Creek	1992	25	Good
East River Road over Rock Run Creek	1980	25	Good
Fairview Road over Br of Pecatonica Riv	1952	25	Fair
Fairview Road over Pecatonica Riv Trib	1987	25	Good
Fairview Road over Unnamed Stream	2000	25	Good
Knaup Rd over Brown Creek	2006	25	Good
N Bellview Rd over Br of Richland CR	1986	25	Good
N Shady View Road over Brush Creek	1936	25	Fair
N. Coon Road over Brush Creek	1947	25	Poor
North Brown Road over Brown Creek	1998	25	Good
S Schuman Road over Spring Branch	1980	25	Good
W Busch Road over East Plum River	1979	25	Good
W Clay Rd over Plum Creek Branch	1977	25	Good
W Howardsville Roa over Br of Yellow Creek	1915	25	Fair
W Neebel Road over Br of E Plum River	1910	25	Fair
W. Stees Road over Yellow Creek	1995	25	Good
West Hershey Road over Lost Creek	1974	25	Fair
West Raders Road over Yellow Creek	1979	25	Good
Wire Rd over Br of Pecatonica Riv	1963	25	Good
Hershey Rd over Br of East Plum Rivr	2012	–	Good
Louisa Rd over Br of Waddams Creek	1966	–	Good

Source: FHWA National Bridge Inventory, 2025.

Stephenson County bridge conditions · Illinois bridges by county.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.