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: WOLF CREEK
1 MI SW OF ELIZABETH, Jo Daviess, IL
Over: MUDDY PLUM RIVER
7 MI. S. OF STOCKTON, Jo Daviess, IL
Over: MILL CREEK TRIB.
1 MI SE SCALES MOUND, Jo Daviess, IL
Over: MILL CREEK TRIB.
1.5 MI SE SCALES MND, Jo Daviess, IL
Over: APPLE RIVER
1.5 MI. S. HANOVER, Jo Daviess, IL
Over: APPLE RIVER
6 MI S APPLE RIVER, Jo Daviess, IL
Over: KENTUCKY CREEK
W. EDGE APPLE RIVER, Jo Daviess, IL
Over: RUSH CREEK
5 MI SE ELIZABETH, Jo Daviess, IL
Over: CAMP CREEK
9 MI. SE. HANOVER, Jo Daviess, IL
Over: LITTLE RUSH CREEK
.8 MI W DERINDA RD, Jo Daviess, IL
Over: LITTLE RUSH CREEK
4 MI SE OF ELIZABETH, Jo Daviess, IL
Over: TRB S FK APPLE RIVER
1.5 MI SW OF NORA, Jo Daviess, IL
Over: WOLF CREEK
.25 MI. W. OF IL78, Jo Daviess, IL
Over: TRIB SMALL POX CREEK
6 MI E OF GALENA, Jo Daviess, IL
Over: TRIB OF MUD RUN
4.4MI NW STOCKTON, Jo Daviess, IL
Over: MUD RUN CREEK
3 M. N OF STOCKTON, Jo Daviess, IL
Over: TRIB TO WOLF CREEK
1 MI S OF ELIZABETH, Jo Daviess, IL
Over: CN RR
.5 MI NW SCALES MD., Jo Daviess, IL
Over: MUDDY PLUM RIV
7 MI SO STOCKTON, Jo Daviess, IL
Over: BR. SMALLPOX CR
7.3 MI E GALENA, Jo Daviess, IL
Over: TRIB MENOMINEE RVR
1MI NW OF MENOMINEE, Jo Daviess, IL
Over: IRISH HOLLOW CREEK
4 MI W OF ELIZABETH, Jo Daviess, IL
Over: W FORK APPLE RIVER
3 MI SW APPLE RIVER, Jo Daviess, IL
Over: Apple River
1.5MI S of Apple Riv, Jo Daviess, IL
Over: CLEAR CREEK
1.5MI SW WARREN, Jo Daviess, IL
Over: CLEAR CREEK
1.5 M SW WARREN, Jo Daviess, IL
Over: BRANCH OF APPLE RIVE
5 MILES NE ELIZABETH, Jo Daviess, IL
Over: LITTLE RUSH CREEK
3 M EAST ELIZABETH, Jo Daviess, IL
Over: West Fork Apple River
2.5 M NE SCALES MD, Jo Daviess, IL
Over: FURNACE CREEK
5.5MI NW ELIZABETH, Jo Daviess, IL
Over: N FORK PLUM RIVER
5 MI SW STOCKTON, Jo Daviess, IL
Over: PLUM RIVER
7 MI S OF STOCKTON, Jo Daviess, IL
Over: BR FURNACE CREEK
5.7 MI NW ELIZABETH, Jo Daviess, IL
Over: BR CLEAR CREEK
1.75 MI E APPLE RIVE, Jo Daviess, IL
Over: MUD RUN CRK
5 MI SW OF NORA, Jo Daviess, IL
Over: LITTLE SALINE R.
NW1/4 SEC15 T11S,R4E, Johnson, IL
Over: TRIB TO JOHNSON CR
NE1/4 SEC 5 T13S,R4E, Johnson, IL
Over: DUTCHMAN CREEK
SW1/4 SEC 6 T13S R3E, Johnson, IL
Over: LITTLE SALINE CREEK
SE1/4 SEC 9 T11S,R2E, Johnson, IL
Over: MAX CREEK
NW1/4 SEC28 T12S,R4E, Johnson, IL
Over: LITTLE SALINE RIVER
E 1/2 SEC22 T11S,R4E, Johnson, IL
Over: JOHNSON CREEK
NW1/4 SEC 7 T13S,R4E, Johnson, IL
Over: BAY CREEK
NW1/4 SEC26 T12S.R4E, Johnson, IL
Over: JOHNSON CREEK
NW1/4 SEC16 T13S,R4E, Johnson, IL
Over: MILL CREEK
SW1/4 SEC16 T13S,R4E, Johnson, IL
Over: MAX CREEK TRIBUTARY
NE1/4 SEC31 T12S,R4E, Johnson, IL
Over: LITTLE CACHE CR TRIB
NE1/4 SEC34 T11S,R3E, Johnson, IL
Over: TRIB TO DUTCHMAN CR
SW1/4 SEC13 T12S,R2E, Johnson, IL
Over: TRIB TO BEAR BRANCH
SW1/4 SEC17 T13S,R2E, Johnson, IL
Over: CLIFTY CREEK
NW1/4 SEC11 T11S,R2E, Johnson, IL
Showing 18,201-18,250 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.