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: BIG CREEK
1.5 M SW ALTAMONT, Effingham, IL
Over: TR1B BIG MUDDY
2.5 MI E MACEDONIA, Hamilton, IL
Over: BIG MUDDY RIVER
8.6 MI E WASH CO LN, Jefferson, IL
Over: BAUM BRANCH CREEK
0.1 MI E JCT RT. 100, Jersey, IL
Over: Honey Creek
0.77 mi S TR 297, Macoupin, IL
Over: SUGAR CREEK
.8 M N EDWARDSVILLE, Madison, IL
Over: UNNAMED STREAM
3.7M N US67/I72/US36, Morgan, IL
Over: BIG HOLLOW CRK TRIB
SEC-13-T9NR7E, Peoria, IL
Over: BR OF DELAPLAINE CRK
AT WOODLAND SCHOOL, Madison, IL
Over: Massac Creek
Fort Massac State Park, Massac, IL
Over: MILL CREEK
1.2 MI. S. OF IL 94, Rock Island, IL
Over: WALNUT CR TRIB
.75 MI N of W JERSEY, Stark, IL
Over: CYPRESS CREEK
0.7 MI S ILL 146, Union, IL
Over: CYPRESS CREEK
0.7 MI S ILL 146, Union, IL
Over: DEER CREEK
4.5 M E OF IL 121, Logan, IL
Over: E Fork Otter Creek
1 mile NW of Girard, Macoupin, IL
Over: E FORK SILVER CRK
.71 MI N US 40, Madison, IL
Over: N FORK LAMOINE RIVER
S.CTR-14-T7NR2W, McDonough, IL
Over: INTER. STREAM
1.52 MI. E. OF IL122, McLean, IL
Over: BROOKRIDGE CREEK
1.0 MI S 55 & 9, McLean, IL
Over: HICKORY CREEK
1.3 M E OF US 45, Will, IL
Over: NORTH CREEK
2.3 M S I-80,94, Cook, IL
Over: STREAM
2.75 MI S ALBION, Edwards, IL
Over: CHAIN OF ROCKS CANAL
2 MI E MISSISSIPPI R, Madison, IL
Over: ADDISON CREEK
0.2 M E OF US 45, Cook, IL
Over: BEAR CREEK
0.5 MI E OF ATWOOD, Douglas, IL
Over: WEST FK WOODRIVER CK
1.2 W FOSTERBURG RD, Madison, IL
Over: Trib. Fox River
0.5 MI N WRIGHT RD, McHenry, IL
Over: BR MUD CREEK
4.5 NE FORRESTON, Ogle, IL
Over: BNSF RR
0.5 MI. W. ILL. 37, Williamson, IL
Over: BELLEVIEW HOLLOW CRK
BELLEVIEW, Calhoun, IL
Over: HARVEY DR CANAL
0.25M S 159th St., Cook, IL
Over: BIG SISTER CR
1.7 MI SW IL 78 WYE, Fulton, IL
Over: STREAM
4.5 M N JCT 108, Greene, IL
Over: TRIB BIG MUDDY
2 MI E MACEDONIA, Hamilton, IL
Over: Sherry Creek
2.0 Mi N Carpenter, Madison, IL
Over: BEAR CREEK OVERFLOW
2.5 MI S IL 1/US 45, White, IL
Over: HUNGRY RUN CREEK
0.5 M E OF MOATE RD, Winnebago, IL
Over: DRAINAGE DITCH
EAST EDGE OF DEPUE, Bureau, IL
Over: WOLF CREEK
3.2 MI E OF ILL 23, Livingston, IL
Over: LEAF RIVER
3 MI. SW. OF BYRON, Ogle, IL
Over: KICKAPOO CREEK
1.34 M W OF US 51, McLean, IL
Over: BRANCH SIX MI CR.
2.3 MI W HUDSON, McLean, IL
Over: DRAINAGE DITCH
0.1 MI NW JCT US 45, Saline, IL
Over: ASH CREEK
400' WEST OF W. BIRCHARD, Peoria, IL
Over: Higgins Creek
1.2 Mi E. Ill Rte 83, Cook, IL
Over: Higgins Creek
1.2 Mi E. Ill Rte 83, Cook, IL
Over: BIG MUDDY CREEK
2 MI W OF TOLEDO, Cumberland, IL
Over: CASEY FORK CREEK
4.5 MI S ILL-15 INT, Jefferson, IL
Over: CASEY FORK CREEK
4.5 MI S ILL-15 INT, Jefferson, IL
Showing 25,201-25,250 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.