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Bridge conditions in Jasper County, Iowa

382 inventoried bridges · 108 rated poor · 2025 National Bridge Inventory

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

Of the 382 Jasper County bridges in the federal inventory, 108 carry a poor rating. That 28.3% share is roughly 4x the national average.

108 of the 382 bridges in Jasper County, Iowa, are rated in poor condition (28.3%) in the 2025 National Bridge Inventory, as of August 20, 2026.
148 bridges (38.7%) are rated good and 126 (33.0%) fair.
The median Jasper County bridge was built in 1980.
The busiest poor-rated bridge is WB I-80 over Sugar Creek (built 1960), carrying about 18,050 vehicles a day.

Good 38.7% · Fair 33.0% · Poor 28.3% of 382 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
WB I-80 over Sugar Creek	1960	18,050	Poor
Highway F-48 W over Small Stream	1949	1,530	Poor
Highway F-62 E over Elk Creek	1962	1,370	Poor
F-62 over North Skunk River	1935	1,170	Poor
FM over N. Skunk River	1964	970	Poor
Highway S-74 S over Carson Creek	1964	810	Poor
Highway F-62 W over S Skunk River	1961	810	Poor
FM over Cherry Creek	1970	770	Poor
Highway F-70 W over Camp Creek	1965	540	Poor
Highway F-70 W over Walnut Creek	1971	540	Poor
FM over Rock Creek	1963	530	Poor
Local over Small Stream	1924	361	Poor
S 12TH Ave W over Small Stream	1926	150	Poor
FM over Indian Creek	1951	150	Poor
W 80TH St S over Severs Creek	1951	123	Poor
Local over North Skunk River	1936	106	Poor
Rosebud Ave over Buck Creek	1919	104	Poor
S12TH Ave E over Small Stream	1921	104	Poor
S 24TH Ave E over Small Stream	1986	104	Poor
S 68TH Ave W over Red Rock Creek	1915	104	Poor
E 132ND St S over Small Stream	1937	91	Poor
W 36TH St S over Buck Creek	1928	91	Poor
FM over Snipe Creek	1927	90	Poor
Temple Ave over Small Stream	1974	80	Poor
Local over Clear Creek	1930	80	Poor
E 84TH St S over Prairie Creek	1948	73	Poor
S 28TH Ave W over Small Stream	1917	71	Poor
Ranch Ave over Small Stream	1974	70	Poor
S 68TH Ave E over Slater Creek	1927	70	Poor
Local over Bear Creek	1914	63	Poor
E 132ND St S over Turner Creek	1928	62	Poor
S 52ND Ave E over Slater Creek	1999	62	Poor
S 24TH Ave W over Cherry Creek	1979	62	Poor
Local over Small Stream	1918	62	Poor
Neptune St over S. Skunk River	1948	60	Poor
E 28TH St S over Small Stream	1967	51	Poor
Local over Burr Oak Creek	1915	51	Poor
Local over Small Stream	1917	51	Poor
Local over Snipe Creek	1921	51	Poor
Local over Small Stream	1970	51	Poor
Local over Prairie Creek	1921	51	Poor
S 68TH Ave E over Small Stream	1997	50	Poor
FM over Prairie Creek	1965	50	Poor
Local over North Skunk River	1988	50	Poor
S 54TH Ave E over Elk Creek	1976	48	Poor
S 112TH Ave W over Prairie Creek	1950	47	Poor
E 76TH St S over Elk Creek	1962	47	Poor
Local over Prairie Creek	1923	47	Poor
Local over Byers Branch Creek	1924	47	Poor
S 64TH Ave E over Sugar Creek	1933	45	Poor
FM over Bear Creek	1914	45	Poor
S 60TH Ave E over Small Stream	1932	42	Poor
E 40TH St S over Reasnor Creek	1978	41	Poor
Royal St over Buck Creek	1925	41	Poor
S 44TH Ave E over Slater Creek	1979	41	Poor
W 108TH St S over Small Stream	1947	41	Poor
Local over Small Stream	1930	41	Poor
Local over Small Stream	1929	41	Poor
FM over Prairie Creek	1955	40	Poor
FM over Little Snipe Creek	1927	40	Poor
FM over Clear Creek	1914	40	Poor
E 92ND St S over Small	1979	35	Poor
Quartz St over Small Stream	1940	35	Poor
S 12TH Ave E over Rock Creek	1948	35	Poor
Local over Fullington Creek	1959	35	Poor
Local over Small Stream	1925	35	Poor
Local over Small Stream	1974	35	Poor
Local over Small Stream	1974	35	Poor
Local over Indian Creek	1918	35	Poor
S 104TH Ave E over Small Stream	1978	30	Poor
E 132ND St S over Small Stream	1952	30	Poor
S 60TH Ave W over Red Rock Creek	1926	30	Poor
Local over Cherry Creek	1937	30	Poor
Local over Cherry Creek	1927	30	Poor
Local over Burr Oak Creek	1950	30	Poor
Local over Small Stream	1939	30	Poor
S 88TH Ave W over Walnut Creek	1926	26	Poor
Local over Rock Creek	1954	26	Poor
Local over Rock Creek	1967	26	Poor
Local over Small Stream	1921	26	Poor
Local over Clear Creek	1974	26	Poor
S 104TH Ave E over Little Elk Creek	1932	25	Poor
Local over North Skunk River	1918	25	Poor
W 56TH St S over Buck Creek	1927	21	Poor
S 36TH Ave E over Sugar Creek	1979	21	Poor
W 130TH St N over Small Stream	1925	21	Poor
Local over Wolf Creek	1947	21	Poor
W 93RD St S over Prairie Creek	1934	20	Poor
Local over Silver Creek	1929	20	Poor
Local over Indian Creek	1914	20	Poor
E 116TH St S over Small Stream	1926	16	Poor
Local over Alloway Creek	1965	16	Poor
Local over Small Stream	1952	16	Poor
Local over Alloway Creek	1937	16	Poor
Local over Mud Creek	1939	15	Poor
S 120TH Ave E over Small Stream	1980	11	Poor
S 54TH Ave W over Sewer Creek	1931	11	Poor
S 52ND Ave W over Small Stream	1947	11	Poor
W 84TH St S over Red Rock Creek	1947	11	Poor
Local over Small Stream	1948	11	Poor
Local over Alloway Creek	1974	11	Poor
Local over Snipe Creek	1941	11	Poor
E 64TH St S over Stream	1940	5	Poor
E 64TH St S over Stream	1940	5	Poor
S 104TH Ave W over Walnut Creek	1945	5	Poor
Local over Brush Creek	1988	5	Poor
Local over Small Stream	1976	5	Poor
Local over Byers Branch Creek	1947	–	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
I-80 over Drainage Ditch	1959	33,400	Fair
I-80 over Elk Creek	1961	30,500	Fair
I-80 over Drainage Ditch	1961	30,500	Fair
EB I-80 over West 148TH St South	1959	18,350	Fair
EB I-80 over South Skunk River	1960	18,350	Fair
WB I-80 over West 148TH Street South	1959	18,050	Fair
WB I-80 over South Skunk River	1960	18,050	Fair
EB I-80 over Sugar Creek	1960	18,050	Fair
WB I-80 over Sugar Creek	1960	18,050	Poor
EB I-80 over Indian Creek Overflow	1959	17,550	Fair

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of Iowa: Iowa bridge conditions by county · every download on the data page.

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