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: TRIB TO DRY FK CR
WEST EDGE SORENTO, Bond, IL
Over: W FORK SPOON RIVER
3 MI S OF NEPONSET, Bureau, IL
Over: STREAM
2.5 MI N OF PENFIELD, Champaign, IL
Over: STREAM
S OF SIDNEY, Champaign, IL
Over: BRUSHY BRANCH
5.0 MI W ASSUMPTION, Christian, IL
Over: SALT CREEK
0.7 M E ILL 53 P18, Cook, IL
Over: POPLAR CREEK
0.2 M SE I-90, Cook, IL
Over: N BR CHICAGO RIVER
0.7 M W HARMS P13, Cook, IL
Over: TEN MILE CREEK
2 MI NW CLINTON, De Witt, IL
Over: STREAM
3 MI S CLINTON, De Witt, IL
Over: BIG INDIAN CREEK
800N 295E, DeKalb, IL
Over: S BRANCH BROUILLETTS
1.25 MI E OF IL 1, Edgar, IL
Over: DOYLES CREEK
4 MI SW OF GRANDVIEW, Edgar, IL
Over: HICKORY CREEK
3 MI S ST ELMO, Fayette, IL
Over: SHAW CR
NW-10-T6NR1E, Fulton, IL
Over: MID TAYLOR CREEK BR
8.8 M E CARROLLTON, Greene, IL
Over: CHANEY CREEK
2.0 NW ELVASTON, Hancock, IL
Over: TRIB SPRING CREEK
.2N ILL54 ON CH8, Iroquois, IL
Over: RUSH CREEK
2 MI W MASSBACH, Jo Daviess, IL
Over: LICK CREEK
NW1/4 SEC 9 T12S,R2E, Johnson, IL
Over: WELCH CREEK
2 MI E BIG ROCK, Kane, IL
Over: BLACKBERRY CR
.5 MI. W OF ILL 47, Kane, IL
Over: BLACKBERRY CR
.5 MI. W OF ILL 47, Kane, IL
Over: PIKE CREEK
3.5 MI NE MOMENCE, Kankakee, IL
Over: FIVE MILE BRANCH
0.5 MI N OF US 30, Lee, IL
Over: BEACH CREEK
1.2 MI S OGLE CO L, Lee, IL
Over: BR OF GREEN RIVER
1.5 M S OF US RT 30, Lee, IL
Over: MUD CREEK
4 MI NW OF CORNELL, Livingston, IL
Over: TRIB MUD CREEK
1310 E, 2900 N, Livingston, IL
Over: DRAINAGE DITCH
1130 N, 3500 E, Livingston, IL
Over: DEER CK
3 E .5 MI S LINCOLN, Logan, IL
Over: N FK LAKE FK OVERFL
3 S 1 MI W NARITA, Logan, IL
Over: SALT CK TRIB
1.5 W 3 MI N MT PLSK, Logan, IL
Over: LAKE FORK CK TR 1B
.5 N 1.5 MI E LK FK, Logan, IL
Over: RACCOON CR TRB NORTH
.25 MI S ILL-161, Marion, IL
Over: SHAW CREEK
T30N-R1W-3PM SEC 30, Marshall, IL
Over: QUIVER DITCH
FOREST CITY CL, Mason, IL
Over: FURRER DITCH
1.5 MI NE EASTON, Mason, IL
Over: SALT CREEK
2.5 MI W BELLFLOWER, McLean, IL
Over: CROOKED CREEK
1.MI SW PLEASANTHILL, McLean, IL
Over: MDL FK SHOP CREEK
6.0 S OF WAGGONER, Montgomery, IL
Over: N FORK MAUVAISTERRE
4M NE J-VILLE, Morgan, IL
Over: WARSAW RUN
1.75 MI W OF EDWARDS, Peoria, IL
Over: KICKAPOO CR. TRIB.
W. EDGE OF EDWARDS, Peoria, IL
Over: SANGAMON RIVER TRIB
1.0 MI NE LODGE, Piatt, IL
Over: MIDDLE FK MCKEE CR
2.25 MI E PERRY, Pike, IL
Over: SPRING CREEK
1.5 S FARMINGDALE, Sangamon, IL
Over: PANTHER CREEK
2.5 MI S OF CHATHAM, Sangamon, IL
Over: BRUSH CREEK
.5 W OF DIVERNON, Sangamon, IL
Over: GRIFFITH CREEK
1.5 W MECHANICSBURG, Sangamon, IL
Showing 6,051-6,100 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.