Bridge conditions in Tazewell County, Illinois
358 inventoried bridges · 53 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Of the 358 Tazewell County bridges in the federal inventory, 53 carry a poor rating. That 14.8% share is roughly 2x the national average.
- 53 of the 358 bridges in Tazewell County, Illinois, are rated in poor condition (14.8%) in the 2025 National Bridge Inventory, as of .
- 89 bridges (24.9%) are rated good and 216 (60.3%) fair.
- The median Tazewell County bridge was built in 1976.
- The busiest poor-rated bridge is EB US 150 over Illinois River & T&p RR (built 1948), carrying about 30,000 vehicles a day.
Good 24.9% · Fair 60.3% · Poor 14.8% of 358 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 |
|---|---|---|---|
| EB US 150 over Illinois River & T&p RR | 1948 | 30,000 | Poor |
| WB US 150 over Ill River T&p RR | 1982 | 30,000 | Poor |
| US 150 & Ill 116 over Il River Tributary | 1964 | 20,400 | Poor |
| EB US 24 over Ill 116 | 1962 | 19,200 | Poor |
| SB Ill 116 over Spring Creek | 1965 | 17,200 | Poor |
| NB Ill 116 over Spring Creek | 1928 | 17,200 | Poor |
| EB I-74 over N Main Street | 1960 | 13,100 | Poor |
| Il 8/ Il 116 over Illinois Riv BNSF T&p | 1932 | 12,400 | Poor |
| Il 8/ Il 116 over Richland St. | 1966 | 12,400 | Poor |
| Il 8/ Il 116 over Center Street | 1962 | 11,800 | Poor |
| Il 8/ Il 116 over Tazewell & Peoria RR | 1966 | 11,800 | Poor |
| Il 8/ Il 116 over US 24/ Il 29 | 1963 | 11,800 | Poor |
| WB I-474 over EB I-74 | 1979 | 7,100 | Poor |
| East Washington St over Farm Creek | 1992 | 6,950 | Poor |
| SB I-155 over Mackinaw River | 1970 | 6,900 | Poor |
| NB I-155 over Mackinaw River | 1970 | 6,900 | Poor |
| US 150- Meadows Av over Farm CR Tpw RR NS RR | 1935 | 6,600 | Poor |
| Ill 9 over Dillon Creek | 1962 | 5,200 | Poor |
| Muller Road over I-74 | 1980 | 4,500 | Poor |
| Fas-461 (ch-16) over Mackinaw River Over | 1940 | 3,950 | Poor |
| Ramp Fr ILL116 TO1 over Ill 116 | 1964 | 3,500 | Poor |
| E. Jefferson St over Bull Run Creek | 1974 | 2,850 | Poor |
| Lasalle Blvd over Little Lick Creek | 1948 | 2,800 | Poor |
| US 150 over Mud Creek | 1956 | 2,350 | Poor |
| Il 29 over Mackinaw River Trib | 1963 | 2,250 | Poor |
| Tr 190 over Stream | 1966 | 1,800 | Poor |
| Ill 122 over Il Central RR Spur | 1975 | 1,750 | Poor |
| FAU-6732 W Jeffers over Farm Creek | 1980 | 1,700 | Poor |
| Fas 1481-ch 7 over Prairie Creek | 1959 | 1,650 | Poor |
| Ill 122 over I-155 | 1971 | 1,500 | Poor |
| Tr 156E over Stream | 1967 | 1,450 | Poor |
| Country Club Dr over Stream | 1962 | 1,000 | Poor |
| Lake Windmere-tr10 over Prairie Creek | 1967 | 775 | Poor |
| Fondulac Dr over I-74 | 1958 | 700 | Poor |
| Fas 469-ch 9 over Little Mackinaw Rv | 1961 | 675 | Poor |
| I-474 Rp# 461 over WB I-474 | 1980 | 450 | Poor |
| I-474 Rp# 461 over I-74 | 1980 | 450 | Poor |
| Fas 2462-ch 11 over Drainage Ditch | 1960 | 400 | Poor |
| Tr 116 over Lost Creek | 1972 | 375 | Poor |
| Fas 465-ch 8 over W Fork Sugar Creek | 1937 | 300 | Poor |
| Hoffman Rd - Tr 11 over Stream | 1963 | 250 | Poor |
| Tr-141 (furrow Rd) over Lost Creek | 1961 | 200 | Poor |
| Red Shale Hill-tr1 over Lost Creek | 1957 | 150 | Poor |
| Candlewood Ln over Farm Creek | 1894 | 150 | Poor |
| Christmas Tree-tr1 over Stream | 1978 | 125 | Poor |
| Winkel Rd - Ch 10 over Main Drainage Ditch | 1955 | 100 | Poor |
| TR-173 (Proehl Roa over Stream | 1977 | 100 | Poor |
| Old Ill 121 over Mackinaw River | 1932 | 75 | Poor |
| Center Rd - Tr 275 over Sugar Creek | 1964 | 50 | Poor |
| Graff Rd - Tr 314 over M. F. Sugar Creek | 1926 | 50 | Poor |
| Augustin Rd - Tr 9 over Mud Creek | 1976 | 50 | Poor |
| Tr 65 over Stream | 1961 | 50 | Poor |
| Tazewell Rd - Tr 3 over Little Mackinaw Rive | 1946 | 10 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-74 over Ill Riv T&p RR | 1958 | 57,800 | Fair |
| EB I-74 over Altorfer St | 2005 | 57,000 | Fair |
| EB I-74 over Ill 116(MAIN St) | 2005 | 40,800 | Fair |
| I-74 over US150 & Bike Path | 2015 | 39,000 | Fair |
| EB US 150 over Illinois River & T&p RR | 1948 | 30,000 | Poor |
| WB US 150 over Ill River T&p RR | 1982 | 30,000 | Poor |
| WB I-74 over Diversion Channel | 1959 | 28,500 | Fair |
| EB I-74 over Diversion Channel | 1959 | 28,500 | Fair |
| WB I-74 over Altorfer St | 2006 | 28,500 | Fair |
| I-74 over Bull Run | 1961 | 26,200 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Illinois: Illinois 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.