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: 3 MI BRANCH
2 MI SW OF DIXON, Lee, IL
Over: Trib Long Pt Slough
.5 MI E OF NIANTIC, Macon, IL
Over: BALTIMORE & OHIO RR
OLNEY, Richland, IL
Over: POND CREEK DR DITCH
3 MI SW GOLDEN GATE, Wayne, IL
Over: TRIB. OF PECATONICA
.6 MI W CEMETERY RD, Winnebago, IL
Over: TRIB. OF PECATONICA
.1 MI W CEMETERY RD, Winnebago, IL
Over: BUREAU CREEK
6.0 M NE OF PRINCTON, Bureau, IL
Over: ICG RR
4 MI NW XENIA, Clay, IL
Over: LITTLE CAL RIVER
1.3 M N IL 83, Cook, IL
Over: WAUPECON CREEK
0.1 MI N BURKHART RD, Grundy, IL
Over: SHERRY CREEK
2.9MI WEST OF WORDEN, Madison, IL
Over: Norfolk Southern Railway
N OF MONTICELLO, Piatt, IL
Over: Norfolk Southern Railway
N OF MONTICELLO, Piatt, IL
Over: SANDY CREEK/TR 18
6 MI ESE WINCHESTER, Scott, IL
Over: Tazewell & Peoria RR
CEDAR ST EXTENSION, Tazewell, IL
Over: TRIB. LITTLE SWAN CR
SE-24-T8NR2W, Warren, IL
Over: JOLIET JNCT PED/BIKE
1 M W IL 7, Will, IL
Over: JOLIET JNCT PED/BIKE
1 M W OF IL 7, Will, IL
Over: Prairie Creek
2855N, 300E, Livingston, IL
Over: KICKAPOO CREEK
1.5 S 3 MI E ATLANTA, Logan, IL
Over: OVFW NF SALINE RIV
0.5 MI N TEXAS CITY, Saline, IL
Over: RAYHILL SLOUGH
1M N ILL 177, St. Clair, IL
Over: Br of Elkhorn Creek
3.0M NW Oakdale, Washington, IL
Over: OTTER CREEK
7 MI NW OF MORRISON, Whiteside, IL
Over: HACKETT BRANCH
0.7 MI SE PESOTUM, Champaign, IL
Over: BIG CREEK
NE-8-T5NR3E, Fulton, IL
Over: SIELBECK DITCH
6.3MI NW METROPOLIS, Massac, IL
Over: DROWNING FORK
2 MI W OF ILL 41, McDonough, IL
Over: BR OF WALNUT CREEK
S.CTR-14-T10NR5E, Peoria, IL
Over: LONG RUN CREEK
0.5 MI N W 143rd St., Will, IL
Over: S&S & IM CNLS&ICG RR
0.9 M S I-55, Cook, IL
Over: Sugar Creek
0.8 N IL-38/0.4 W 83, DuPage, IL
Over: 3 MILE BRANCH
1.3 M S R.I. ROAD, Lee, IL
Over: Norfolk Southern Railway
0.49 MI E OF US 51, McLean, IL
Over: SPRING CREEK
0.4 M S 167TH ST, Will, IL
Over: BIG CREEK
4 MI S OF CUBA, Fulton, IL
Over: RAILROAD CREEK
IN HAMILTON, Hancock, IL
Over: Coal run Creek
0.5 Mi S. of Ill. 18, LaSalle, IL
Over: CAMP CREEK
SW-19-T15NR3W, Mercer, IL
Over: PRAIRIE DU ROCHER CR
NEAR WCL P DU ROCHER, Randolph, IL
Over: LAMOINE RIVER
1.0 MI W.BROOKLIN, Schuyler, IL
Over: FLAT BRANCH
2.5MI SE STONINGTON, Christian, IL
Over: TEN MILE CREEK
2.2 MI NE OF KENNY, De Witt, IL
Over: BIG MUDDY OVERFLOW
9 MI E WASH CO LN, Jefferson, IL
Over: RUSH CREEK
.76 MI E LOGEMANN RD, Jo Daviess, IL
Over: FRENCH CREEK
2 MI S GRAYVILLE, White, IL
Over: BN RR
SOUTH EDGE OF BUDA, Bureau, IL
Over: N BR CHI RIV EAST
0.2 M E PULASKI RD, Cook, IL
Over: RR - UP,TRIB PARKING
0.5 M E I-94, Cook, IL
Over: MIDLOTHIAN CR
0.25 M S ILL 83 P3, Cook, IL
Showing 27,551-27,600 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.