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: DRAINAGE DITCH
E.CTR-28-T22NR5W, Tazewell, IL
Over: SALT FORK
2 MI NW FAIRMOUNT, Vermilion, IL
Over: WINDFALL CREEK
2.5 MI SE JAMESBURG, Vermilion, IL
Over: STONY CREEK
CITY OF DANVILLE, Vermilion, IL
Over: GRINDSTONE CREEK
.5 MI S BROWNSVILLE, White, IL
Over: DRAINAGE DITCH
3 MI N OF ERIE, Whiteside, IL
Over: LAKE CREEK
1 MI W JOHNSTON CITY, Williamson, IL
Over: GLEASON CREEK
1 MI W OWEN CENTER, Winnebago, IL
Over: Mackinaw River
3 MI N CONGERVILLE, Woodford, IL
Over: CLEAR CK
3.5 MI E ATLANTA, Logan, IL
Over: HOLMAN CRK.
3.4 MI NE QUINCY, Adams, IL
Over: ROCK CRK
2.6 MI SE URSA, Adams, IL
Over: BRANCH OF DRY BRANCH
2.5MI NW MULBERRY GR, Bond, IL
Over: AVERY BRANCH
3M SW MULBERRY GROVE, Bond, IL
Over: BEAVER CREEK
3.5 MI NW BELVIDERE, Boone, IL
Over: GREEN RIVER
7 MI. N. OF MINERAL, Bureau, IL
Over: BRANCH E BUREAU CREE
1 1/2 MI E OF MALDEN, Bureau, IL
Over: ILL & MISS CANAL
3 MI NE SHEFFIELD, Bureau, IL
Over: ADAMS CREEK
EAST CENTER CHERRY, Bureau, IL
Over: MIDDLE CREEK
5 MI SE LANARK, Carroll, IL
Over: STREAM
W OF THOMASBORO, Champaign, IL
Over: SANGAMON RIVER
3.2 MI NE OF FISHER, Champaign, IL
Over: STREAM
3 MI NW HOMER, Champaign, IL
Over: BUCK CREEK
2.5 MI SSW PENFIELD, Champaign, IL
Over: UPPER SALT FORK DIT
SE EDGE OF RANTOUL, Champaign, IL
Over: KASKASKIA DITCH
1.5 MI NW OF SADORUS, Champaign, IL
Over: BONEYARD CREEK
E OF COLER AVE, Champaign, IL
Over: CLEAR CREEK
1.5 S OF SICILY, Christian, IL
Over: E MILL CREEK
1 MI NW MARSHALL, Clark, IL
Over: CREEK
2 MI W IOLA, Clay, IL
Over: LOST CREEK
1.5 MI N HOFFMANN, Clinton, IL
Over: QUEENS LAKE BR
.8 W AIRPORT, Clinton, IL
Over: UNION DRAIN DIT #3
2.5 MI N CHARLESTON, Coles, IL
Over: LITTLE BRANCH
.5 MI N LK PARADISE, Coles, IL
Over: BRUSH CREEK
1 MI SW OF ETNA, Coles, IL
Over: KICKAPOO DRAIN DITCH
MATTOON, Coles, IL
Over: DES PLAINES RIVER
0.2 M E US 45, Cook, IL
Over: DES PLAINES RIVER
1.5 M W IL 43, Cook, IL
Over: DRAINAGE DITCH
.02M W OF 54TH AV, Cook, IL
Over: NAVOJO CREEK
0.8 M E IL 43, Cook, IL
Over: LAKE GEORGE OVERFLOW
1.6 M S OF US 30, Cook, IL
Over: TINLEY CREEK
0.2 M S 143RD ST, Cook, IL
Over: MIDLOTHIAN CR
1.4 M S of 127th St, Cook, IL
Over: SILVER CREEK
0.3 M W US 12,20, Cook, IL
Over: MIDLOTHIAN CREEK
0.03 MI. W 80TH AV, Cook, IL
Over: NORTH CR
0.2 M S 186TH P2, Cook, IL
Over: N BR CHICAGO RIV
0.2 E SUNSET RGE P14, Cook, IL
Over: ADDISON CR
0.72 M E MANHEIM P20, Cook, IL
Over: ADDISON CR
0.6 M E US 45, Cook, IL
Over: LANSING DITCH LYN TR
0.01 M E ILL 83 P2, Cook, IL
Showing 5,901-5,950 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.