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: WILLOW CR
0.1 M W RIVER RD P9, Cook, IL
Over: TRIB MUDDY CREEK
2 MI SE OF TOLEDO, Cumberland, IL
Over: MUDDY CREEK
1.5 MI E OF TRILLA, Cumberland, IL
Over: BR LITTLE ROCK CREEK
1120N 1200E, DeKalb, IL
Over: ARCOLA #4 DITCH
2.3 MI N OF FILSON, Douglas, IL
Over: ROTT CREEK
0.4M.S.OF OGDEN AVE., DuPage, IL
Over: ST. JOSEPH CREEK
400 FT S BN RR, DuPage, IL
Over: ST.JOSEPH CREEK
.1 MI S B N RR, DuPage, IL
Over: GINGER CREEK
.4 MI N 31ST STREET, DuPage, IL
Over: S FORK BROUILLETTS C
6.0 MI N OF PARIS, Edgar, IL
Over: SALT FORK
2.5 MI N SCOTTLAND, Edgar, IL
Over: SALT CREEK
1 MI E POLICE STA, Effingham, IL
Over: BRUSH CREEK
3 MI SE EFFINGHAM, Effingham, IL
Over: FIRST SALT CREEK
NE CORNER TEUTOPOLIS, Effingham, IL
Over: NW BR FULFER CREEK
5 MI S ALTAMONT, Effingham, IL
Over: STREAM
MP 22.68, Effingham, IL
Over: TRIB HURRICANE CREEK
3 MI W VANDALIA, Fayette, IL
Over: TRIB HURRICANE CREEK
3 MI W VANDALIA, Fayette, IL
Over: TRIB LONE GROVE BR
1 MI N ST PETER, Fayette, IL
Over: TRIB HICKORY CREEK
3 MI SSE ST ELMO, Fayette, IL
Over: FISH LAKE DITCH
2.7 MI S VANDALIA, Fayette, IL
Over: CREEK
FARINA, Fayette, IL
Over: STREAM
1300E 1980N, Ford, IL
Over: STREAM
200N,1980E, Ford, IL
Over: DRAINAGE DITCH
1700E, 80N, Ford, IL
Over: MIDDLE FORK CREEK
TR 265 OV MID FK CK, Franklin, IL
Over: EWING CR
DEERING RD, Franklin, IL
Over: GUN CREEK
1 MI S INA, Franklin, IL
Over: LA MOINE RIVER
3 MI E OF BURNSIDE, Hancock, IL
Over: ROBINSON CREEK
2.0 MI NE NAUVOO, Hancock, IL
Over: BRANCH OF ROCK CREEK
0.5 MI E OF ILL 1, Hardin, IL
Over: OAT CREEK
2 MI SE GENESEO, Henry, IL
Over: FOUNTAIN CREEK
5.06 MI E OF ILL 49, Iroquois, IL
Over: SPRING CR
1 MI E JCT CH9 US45, Iroquois, IL
Over: PRAIRIE CREEK
.4MI E LAHOGUE, Iroquois, IL
Over: TRIB CASEY FORK
0.5 MI E NASON, Jefferson, IL
Over: RAYSE CREEK
2 MI W CRAVAT, Jefferson, IL
Over: BEAR CREEK
1 MI N BLUFORD, Jefferson, IL
Over: L. MENOMINEE RIV
1 MI NE MENOMINEE, Jo Daviess, IL
Over: MILL CREEK
1.0 MI E LAFOX, Kane, IL
Over: UNNAMED DRAINAGE DITCH
0.9 MI S OF IL 38, Kane, IL
Over: INDIAN CREEK
.1 MI W FARNSWORTH, Kane, IL
Over: FOREMAN CREEK
W.CTR-4-T12NR3E, Knox, IL
Over: POPE CREEK
SW-4-T13NR2E, Knox, IL
Over: CEDAR CREEK
1100 BLK E. LOSEY, Knox, IL
Over: FOX RIVER
N 41ST,E 2475, LaSalle, IL
Over: L VERMILLIAN CR
N 43RD E 810, LaSalle, IL
Over: LITTLE INDIAN CREEK
N40E2060, LaSalle, IL
Over: DRAINAGE DITCH
N 39TH E 190, LaSalle, IL
Over: BUGABOO CREEK
3 MI N SUMNER, Lawrence, IL
Showing 5,951-6,000 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.