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: BRANCH OF CROW CREEK
4.5 MI SE BRADFORD, Bureau, IL
Over: PLUM RIVER
.25 MI E SAVANNA, Carroll, IL
Over: LOST CREEK BRANCH
3.5 MI E BEARDSTOWN, Cass, IL
Over: STREAM
2 MI N MARKET ST, Champaign, IL
Over: SUGAR CREEK
3.9 MI E COUNTY LINE, Clinton, IL
Over: BEAVER CREEK
4 MI W OF CARLYLE, Clinton, IL
Over: KICKAPOO CREEK
S EDGE MATTOON, Coles, IL
Over: DRY BRANCH
1 MI N OF RARDIN, Coles, IL
Over: DES PLAINES RIVER
0.3M E OF 1ST AVE, Cook, IL
Over: SPRING CREEK
1.4 M W IL 59, Cook, IL
Over: RAVINE
1.5 M E US 41, Cook, IL
Over: DES PLAINES RIVER
2.4 M E US 45, Cook, IL
Over: SALT CREEK
0.4 M N ILL 62 P18, Cook, IL
Over: DES PLAINES RIVER
0.2 M E OF US-45, Cook, IL
Over: BR PAW PAW RUN
230N 100E, DeKalb, IL
Over: S. Br of Kishwaukee Rive
0.2mi. E. of N. 1st., DeKalb, IL
Over: STREAM
1 MI E BEECHER CITY, Effingham, IL
Over: RAMSEY CREEK
7 MI SW DIETERICH, Effingham, IL
Over: LONE GROVE BRANCH
1.0 MI E ST PETER, Fayette, IL
Over: DRUMMER CREEK
390E,300N, Ford, IL
Over: STREAM
1480E 2300N, Ford, IL
Over: SPOON RIVER
1 MI N JCT 136, Fulton, IL
Over: BIG SISTER CREEK
N1/2-17-T5NR4E, Fulton, IL
Over: MURRAY SLUICE
0.05 MI E BUFFALO RD, Grundy, IL
Over: LANGAN CR
1.5 MI W 1.5 N CLIFT, Iroquois, IL
Over: LITTLE CRAB ORCHARD
E LINE SEC 4-9-1, Jackson, IL
Over: FOX RIVER
FABYAN PK W OF IL 25, Kane, IL
Over: WELCH CREEK
DUGAN .6 M S OF US30, Kane, IL
Over: TRIM CREEK
1MI N GRANT PARK, Kankakee, IL
Over: CRANE CR
2.5 MI EAST REDDICK, Kankakee, IL
Over: S HENDERSON CREEK
SW-21-T12NR1E, Knox, IL
Over: RR - EJ&E
1.1 M S OF IL 137, Lake, IL
Over: VERMILION CREEK
E 9TH N 4275, LaSalle, IL
Over: W FORK MAZON R
2295 E, 3000 N, Livingston, IL
Over: LAKE FORK OVERFLOW
3.5 MI E ELKHART, Logan, IL
Over: CREEK
.5 MI W OF HEMAN, Macon, IL
Over: WILLS CREEK
4 MI W ALMA, Marion, IL
Over: Branch Timber Creek
1 MILE E SHIRLEY, McLean, IL
Over: BRANCH ROOKS CREEK
1.0 MI NW CHENOA, McLean, IL
Over: BR MACKINAW RIVER
4.0 MI S COLFAX, McLean, IL
Over: BR OF ROOKS CREEK
3.0 MI SW WESTON, McLean, IL
Over: TOMS CREEK
SE-35-T13NR2W, Mercer, IL
Over: UPRR
2 mi E of JB Bridge, Monroe, IL
Over: U.P. RR
0.65 MI S OF ILL 38, Ogle, IL
Over: U.P. RR
0.65 MI S OF ILL 38, Ogle, IL
Over: SPRING CREEK
4.0 MI N OREGON, Ogle, IL
Over: LEAF RIVER
1.3 MI E OF ADELINE, Ogle, IL
Over: WOLF RUN
2.0 MI SE CISCO, Piatt, IL
Over: MILL CREEK
.4 MI N ANDALUSIA RD, Rock Island, IL
Over: MILL CREEK
.4 MI N ANDALUSIA RD, Rock Island, IL
Showing 7,051-7,100 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.