Total Bridges
27,743
Public highway bridges in Illinois
State profile · Near median Poor share
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Illinois, based on the FHWA National Bridge Inventory.
Data updated May 2026
Total Bridges
27,743
Public highway bridges in Illinois
Good Condition
41.2%
11,426 bridges rated 7-9
-8.8pp vs 50% benchmark
Poor Condition
7.9%
2,186 bridges whose lowest applicable component is rated 0-4
0.9pp vs national avg 7.0%
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Adjacent states by Poor-condition share (lower share = better)
States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Illinois on the same metric.
RI
NE
IL
MA
MO
Six lowest-condition bridges in Illinois, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
Over: DRAINAGE CANAL
2.2 MI E MEYER, Adams, IL
Over: E FK MAZONRIVER
0.05 MI W CH 16, Grundy, IL
Over: WILSON CREEK
NE-35-T3NR2E, Fulton, IL
Over: KING CREEK
W EDGE OF MINERAL, Bureau, IL
Over: DRAINAGE DITCH
3.5 MI NE DIETERICH, Effingham, IL
Over: BIG CREEK
NE EDGE MT ZION, Macon, IL
Over: DRAINAGE DITCH
3 MI S OF LANE, De Witt, IL
Over: SALT CREEK
2 M NE OF KENNY, De Witt, IL
Over: TEN MILE CREEK
2.0 MI W OF CLINTON, De Witt, IL
Over: SALT CREEK
.5 M E WELDON SPRING, De Witt, IL
Over: N FORK SALT CREEK
5 MI N OF DEWITT, De Witt, IL
Over: SALT CREEK
4 MI E OF KENNY, De Witt, IL
Over: PLAINS BRANCH CREEK
2 MI N OF KENNEY, De Witt, IL
Over: DRAINAGE DITCH
5.5 MI S WELDON, De Witt, IL
Over: LONG POINT CREEK
3 MI NE OF WAPELLA, De Witt, IL
Over: STREAM
3 M NE WAYNESVILLE, De Witt, IL
Over: SALT CREEK
1 MI ENE FARMER CITY, De Witt, IL
Over: DRAINAGE DITCH
2 M NNE FARMER CITY, De Witt, IL
Over: STREAM
2 MI N OF WAPELLA, De Witt, IL
Over: STREAM
1 M NE WAYNESVILLE, De Witt, IL
Over: DRAINAGE DITCH
4 MI S OF LANE, De Witt, IL
Over: N FORK SALT CR TRIB
5 MI N OF DEWITT, De Witt, IL
Over: IC RR
4 M SW OF CLINTON, De Witt, IL
Over: TEN MILE CREEK
2.25 MI W OF CLINTON, De Witt, IL
Over: TEN MILE CREEK
1 MI N OF CLINTON, De Witt, IL
Over: PRAIRIE CREEK
2.5 MI N WAYNESVILLE, De Witt, IL
Over: FRIENDS CREEK
3 MI WSW OF WELDON, De Witt, IL
Over: SALT CREEK
1.1 MI NE OF KENNY, De Witt, IL
Over: STREAM
3 MI NE OF MAROA, De Witt, IL
Over: BR LONG POINT CREEK
2.5 MI NW OF WAPELLA, De Witt, IL
Over: STREAM
6 MI SSE OF CLINTON, De Witt, IL
Over: DRAINAGE DITCH
5.1 MI SE OF CLINTON, De Witt, IL
Over: TRIB SALT FORK CREEK
7.2 MI W FARMER CITY, De Witt, IL
Over: N FORK SALT CREEK
9 MI W FARMER CITY, De Witt, IL
Over: DRAINAGE DITCH
2 MI NE OF CLINTON, De Witt, IL
Over: TEN MILE CREEK
4 MI NE OF CLINTON, De Witt, IL
Over: TEN MILE CREEK
2.5 MI SE OF WAPELLA, De Witt, IL
Over: SALT CREEK
1 MI SE OF MIDLAND, De Witt, IL
Over: STREAM
1 MI W OF HALLSVILLE, De Witt, IL
Over: STREAM
W EDGE WAYNESVILLE, De Witt, IL
Over: NORTH FORK CREEK
4 MI S OF CLINTON, De Witt, IL
Over: LONG POINT TRIB
3.5 NNE WAPELLA, De Witt, IL
Over: LONG POINT TRIB
3.5 NNE WAPELLA, De Witt, IL
Over: TRIB LONG POINT CR
3 MI NE WAPELLA, De Witt, IL
Over: STREAM
1 MI S FARMER CITY, De Witt, IL
Over: DRAINAGE DITCH
1 MI E OF WELDON, De Witt, IL
Over: DRAINAGE DITCH
1 MI E WAYNESVILLE, De Witt, IL
Over: NORTH FORK
6.0 MI S. CLINTON, De Witt, IL
Over: TRIB LONG POINT CREE
2.3 MI NW WAPELLA, De Witt, IL
Over: LONG POINT CREEK
4.3 MILE NW WAPELLA, De Witt, IL
Over: LONG POINT CREEK
3.5 MI NE OF WAPELLA, De Witt, IL
Over: UNNAMED TRIB
2.8 MI NW KENNEY, De Witt, IL
Over: ROCK CREEK
2 MI NE WAYNESVILLE, De Witt, IL
Over: ROCK CREEK
3 MI E WAYNESVILLE, De Witt, IL
Over: Friends Crk Drainage
6.0 MI N CISCO, De Witt, IL
Over: Trib Long Point CR
3 miles N of Wapella, De Witt, IL
Showing 16,301-16,350 of 27,743 bridges
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.