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: BR OF PLUM RIV
4 MI SW MT CARROLL, Carroll, IL
Over: POPLAR CREEK
0.26 M E KANE CO, Cook, IL
Over: N BR CHICAGO RIVER
622 W CHGO AVE P5C, Cook, IL
Over: SANITARY&SHIP CANAL
3400 S & 3200 W, Cook, IL
Over: Eastern Illinois RR
.3 MI S NEOGA INT, Cumberland, IL
Over: LITTLE INDIAN CREEK
4 MI S OF WATERMAN, DeKalb, IL
Over: BIG CREEK
SW-8-T5NR3E, Fulton, IL
Over: FK OF LITTLE BEAR CR
2.0 MI W BASCO, Hancock, IL
Over: GROVE CREEK
1.5 NW ADRIAN, Hancock, IL
Over: CASEY FORK
TEXICO, Jefferson, IL
Over: VIRGIL DRN DITCH #2
.7 M E of IL64, Kane, IL
Over: DES PLAINES RIVER
2.5 M W OF US 41, Lake, IL
Over: PRAIRE CREEK
N 14TH E 1950, LaSalle, IL
Over: SPRING CREEK
N 36TH E 150, LaSalle, IL
Over: ALLISON DITCH NO 1
2 MI E AIRPORT INT, Lawrence, IL
Over: ALLISON DITCH NO 1
2 MI E AIRPORT INT, Lawrence, IL
Over: BR. GREEN RIVER
3 MI. N. OF US 30, Lee, IL
Over: SPRING CREEK
4.25 MI N BLUE MOUND, Macon, IL
Over: SILVER CK
8.0MI E COLLINSVILLE, Madison, IL
Over: CAMP CREEK
2 MI E VERSAILLES, Brown, IL
Over: LITTLE WABASH RIVER
2 MI W HORD, Clay, IL
Over: GROUND
EDENS & OLD ORCH, Cook, IL
Over: WEST BRANCH OF SALT CREE
0.8 MI S. SCHAUMBURG RD., Cook, IL
Over: S BR CHICAGO RIV
375 W & 300 S, Cook, IL
Over: COON CREEK
3 MI SW OF CLINTON, De Witt, IL
Over: TURKEY CREEK
NE-6-T3NR3E, Fulton, IL
Over: AUX SABLE CR
4.9 M E OF ILL 47, Grundy, IL
Over: W Fork Mazon River
0.05M E Dwight Road, Grundy, IL
Over: STREAM
2.5 MI NW ARGENTA, Macon, IL
Over: SENACHWINE CREEK
T12N-R9E-4PM SEC 29, Marshall, IL
Over: BEAR CK
3 MI EAST MERMET, Massac, IL
Over: BNSD OUTFALL SEWER
0.7 MI ESE 74 & 150, McLean, IL
Over: PLUM CREEK
3.6 MI W OF SPARTA, Randolph, IL
Over: IL RIVER TRIBUTARY
.1M S JCT US 150&116, Tazewell, IL
Over: WABASH LEVEE DRAIN D
2 MI SW MAUNIE, White, IL
Over: BR. OF ROCK CREEK
1 MI. S.W. MORRISON, Whiteside, IL
Over: TRIB. OF PECATONICA
.5 MI W CEMETERY RD, Winnebago, IL
Over: RR - IHB & CSXT
1 M N IL 83, Cook, IL
Over: CAL SAG CHANNEL
0.2 M E IL 83, Cook, IL
Over: THORN CREEK
0.5 M E IL 1, Cook, IL
Over: UNION STATION TRACKS
100N 430W TO 500W, Cook, IL
Over: REND LAKE
0.9 MI W I-57, Franklin, IL
Over: CNIC RR
.5 MI E BELL RIVE IN, Jefferson, IL
Over: Norfolk & So. RR / Ditch
0.9 MI N ILL 17, Kankakee, IL
Over: U.P.R.R.
0.6M.S.OF IL-176, Lake, IL
Over: HAYES CREEK
1.9 MI E GLENDALE, Pope, IL
Over: CACHE RIVER
AT JOHNSON CO LINE, Pulaski, IL
Over: DEER CREEK
6.5 MI SE MORRISON, Whiteside, IL
Over: BRANCH OF SALT FORK
SIDNEY, Champaign, IL
Over: POLECAT CREEK
2 MI SW ASHMORE, Coles, IL
Showing 27,351-27,400 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.