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: FIDDYMENT CR
1 MI E OF IL 171, Will, IL
Over: FRACTION RUN
0.3M.S OF BRUCE ROAD, Will, IL
Over: SPRING CREEK TRIB
0.5 MI E Cedar Rd, Will, IL
Over: TRIB LONG RUN CREEK
0.2MI S 143RD ST, Will, IL
Over: I.C.G.RR
.37M W OF IL53, Will, IL
Over: JACKSON CREEK
2.9 MI E OF CEDAR RD, Will, IL
Over: SUGAR RUN CREEK
0.04M.S.SPENCER RD., Will, IL
Over: STREAM
200'W OF WOLF ROAD, Will, IL
Over: JACKSON BRANCH
1.3M.N.MAN-ELWOOD RD, Will, IL
Over: JACKSON CREEK
0.6 MI S ARSENAL RD, Will, IL
Over: JACKSON CREEK
.1 MI N MANHATTAN RD, Will, IL
Over: CEDAR CR
1.3 MI N ARSENAL RD, Will, IL
Over: JACKSON CRK TRIB
0.8 M NO BAKER RD, Will, IL
Over: TRIB PRAIRIE CREEK
1 MI S HUFF RD, Will, IL
Over: JACKSON CREEK
0.4 MI NO BAKER RD, Will, IL
Over: STREAM
0.4 MI N MANH-MONEE, Will, IL
Over: TRIB PRAIRIE CREEK
0.5 MI N MANH-MONEE, Will, IL
Over: Trib Prairie Creek
0.5 M S Manh-Monee, Will, IL
Over: S BR FORKED CREEK
1.7M W of I57, Will, IL
Over: TRIB.FORKED CREEK
JUST N@ MAN-MONEE RD, Will, IL
Over: PRAIRE CREEK
0.7MI N.MAN-MONEE RD, Will, IL
Over: FORKED CREEK
3.1 MI E US-45, Will, IL
Over: UNNAMED SWALE
WOLF & LAPORTE, Will, IL
Over: TRIB OF FORKED CREEK
0.8MI S.MAN-MONEE RD, Will, IL
Over: TRIB PRAIRIE CRK
0.8 MI W.US 45, Will, IL
Over: TRIB TO PRAIRIE CRK
0.1 MI S STUENKEL RD, Will, IL
Over: FORKED CREEK
0.75 MI N.MANHATTAN-, Will, IL
Over: SMALL STREAM
0.4 M N IL 171, Will, IL
Over: TRIB ROCK CREEK
0.3 MI N.PAULINE RD, Will, IL
Over: FORKED CREEK
1.2 MI S. COOK CO., Will, IL
Over: FORKED CREEK
1.1 MI N MAN MONEE R, Will, IL
Over: S. BR FORKED CR.
2M SO OF PAULING RD, Will, IL
Over: STREAM
0.3 M W OF WOLF, Will, IL
Over: BR OF FORKED CREEK
4.5M E.US 45, Will, IL
Over: TRIB OF FORKED CREEK
3.9 MILES E. OF US45, Will, IL
Over: Forked Crek
0.75 M E of US 45, Will, IL
Over: KLEMME CREEK
1.6 MI SO EXCHANGE, Will, IL
Over: KLEMME CREEK
.25MI W KLEMME RD, Will, IL
Over: PLUM CREEK
1 MI N EXCHANGE AV, Will, IL
Over: TRIB OF JORDAN CK
1.8 MI E OF IL53, Will, IL
Over: BR OF FORKED CREEK
0.37 MI E CEDAR RD, Will, IL
Over: BR. OF FORKED CREEK
1.0M E OF WILTON CTR, Will, IL
Over: S BR FORKED CREEK
1.4M E WILTON CENTRD, Will, IL
Over: BLACK WALNUT CREEK
0.5 MI E OF IL 50, Will, IL
Over: BLACK WALNUT CR.(E)
2.4M.E OF IL 50, Will, IL
Over: BLACK WALNUT CREEK
0.2 M S PEOTONE/BEEC, Will, IL
Over: BLACK WALNUT CREEK
2.5 MI E IL-50, Will, IL
Over: STREAM
0.4 M N.EAGLE LK RD, Will, IL
Over: TRIM CREEK TRIB.
0.3 MI W.IL 1, Will, IL
Over: WET LANDS
0.39 MI E CH88, Will, IL
Showing 21,701-21,750 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.