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: ADAMS CREEK
1.8 MI W IL 89, Bureau, IL
Over: ADAMS CREEK
1.8 MI W IL 89, Bureau, IL
Over: LOST CREEK
1.7 E ILL 127, Clinton, IL
Over: DES PLAINES RIVER
0.7 M W I-294, Cook, IL
Over: N SHORE CHANNEL
0.2 M N SIMPSON, Cook, IL
Over: THIRD CREEK
2 M W IL 394, Cook, IL
Over: BUTTERFIELD CREEK
0.6 M E OF IL 50, Cook, IL
Over: BUTTERFIELD CREEK
0.1 M W CRAWFORD AVE, Cook, IL
Over: C&NW RR
0.6 M N ILL 58 P11, Cook, IL
Over: C&NW RR
0.6 M N ILL 58 P11, Cook, IL
Over: RANGE CREEK
.8 MI N JASPER CO LI, Cumberland, IL
Over: MORRIS CREEK
4.3 MI E BEECHER CTY, Effingham, IL
Over: WEAVER CREEK
.75 MI W OF LOMAX, Henderson, IL
Over: MOSQUITO CREEK
3.8 MI W JCT FAI 80, Henry, IL
Over: MUD CREEK
0.7 MI W JCT ILL 78, Henry, IL
Over: GREEN RIVER
3.5 MI. N. ATKINSON, Henry, IL
Over: LITTLE CRAB ORCHARD
0.19MI E NEW ERA RD, Jackson, IL
Over: W FK N BR CHGO RIVER
.3 M E 94 1.8 M S 22, Lake, IL
Over: BRUSHY FORK CREEK
.25 N PINKSTAFF RD, Lawrence, IL
Over: ROCK RIVER
DIXON, Lee, IL
Over: WILLOW CREEK
0.6 MI N. CHICAGO RD, Lee, IL
Over: STEWARD CR
AT OGLE CO LN, Lee, IL
Over: STEVENS CREEK
NW EDGE OF DECATUR, Macon, IL
Over: MOONEY CREEK
0.5 M E JCT 157, Madison, IL
Over: E FORK La MOINE RIVR
1.4 MI W JCT 61 136, McDonough, IL
Over: E FORK LA MOINE RIVR
1.4 MI W JCT 61 136, McDonough, IL
Over: MACKINAW RIVER
2 MI SW OF LEXINGTON, McLean, IL
Over: MACKINAW RIVER
2 MI SW OF LEXINGTON, McLean, IL
Over: DRY RUN CR
0.3MI W OF NEBRASKA, Peoria, IL
Over: ZUMA CREEK
5.5 MI SW HILLSDALE, Rock Island, IL
Over: ROCK RIVER, SIDE RDS
S EDGE MOLINE, Rock Island, IL
Over: DRAINAGE DITCH
5. MI SW HILLSDALE, Rock Island, IL
Over: FANCY CREEK
1.5 SW WILLIAMSVILLE, Sangamon, IL
Over: DRAINAGE DITCH
2.6MI W IL 100 INT, Scott, IL
Over: LILY CACHE CREEK
2 M E OF IL 59, Will, IL
Over: IL RR
0.8 MI W OF ILL 251, Winnebago, IL
Over: MUD CREEK
0.4 MI S OLD RIVR RD, Winnebago, IL
Over: COOLIDGE CREEK
0.1 MI W KEITH ROAD, Winnebago, IL
Over: DRY CREEK
1.3 MI. W. OF IL 251, Winnebago, IL
Over: ROCK CREEK
2MI N I172/24 INT, Adams, IL
Over: STREAM
MP 196.4, Coles, IL
Over: BUTTERFIELD CREEK
2.5 M N US 30, Cook, IL
Over: TRIB SUGAR CREEK
1.5 MI SW TRIMBLE, Crawford, IL
Over: BNSF RR (063690C)
1 MI E OF SCHUYLER C, Fulton, IL
Over: WEST FORK NETTLE CR
0.1 MI N OF TR 13, Grundy, IL
Over: SUGAR CREEK TRIB
3.18 M N OF CH 10, Iroquois, IL
Over: CADWELL CR
2 MI N WILLIAMSFIELD, Knox, IL
Over: HENDERSON CREEK
6.3 MI N OF US 34, Knox, IL
Over: BR BRANDYWINE CR
4.5 MI N OF US 150, Knox, IL
Over: LITTLE KICKAPOO CR
7.6 MI E OF US 51, McLean, IL
Showing 13,101-13,150 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.