Grundy County, IL
269 public highway bridges
Grundy County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Grundy County, Illinois contains 269 public highway bridges. Roughly 38.3% are rated “Good,” 27.1% “Fair,” and 24.2% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.
Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.
Source: FHWA National Bridge Inventory. See methodology for full definitions.
Condition Distribution
All Bridges (269)
TR 91A MCARDLE RD
FairOver: TRIB TO CLAYPOOL D D
.35 MI E GUGTOWN RD, Grundy, IL
TR 20 JOHNNY RUN R
FairOver: WAUPECON CREEK
.3 MI S PRAIRIE RD, Grundy, IL
TR 1E LIV.CO.
FairOver: JOHNNY RUN
.13 MI W KINSMAN RD, Grundy, IL
TR 72 VERONA RD
FairOver: TRIB W FORK MAZON RV
SEC26 T31N R6E 3RD, Grundy, IL
DWIGHT RD TR-110
FairOver: WEST FK MAZON RIVER
.09 MI S GARDNER RD, Grundy, IL
HOWLAND RD/MS 2020
FairOver: TRIB E FK MAZON RIV
.75 MI E GORMAN ROAD, Grundy, IL
CREEK DR./MS 1115
FairOver: E FORK NETTLE CREEK
.03M S OF THOMAS DR., Grundy, IL
MINOOKA RD/FAU400
FairOver: AUX SABLE CREEK
2.0 MI W OF MINOOKA, Grundy, IL
TR 123 PRAIRIE ROA
FairOver: WAUPECON CREEK
.27 MI W GONNAM ROAD, Grundy, IL
TR 130 HIGGINS RD
FairOver: TRIB TO MAZON RIVER
0.11 MI S ILL 113, Grundy, IL
TR-74A Verona Road
FairOver: Murray Sluice
0.53M S. Gardner Rd, Grundy, IL
TR 159A STONEWALL
FairOver: E. FORK MAZON RIVER
.38 MI E STORM RD, Grundy, IL
FAS 1273/DuPont Rd
FairOver: ARMSTRONG RUN
0.27 MI E CO LINE, Grundy, IL
TR-128 TYNAN RD
FairOver: MURRAY SLUICE
.06 MI N GR RIDGE RD, Grundy, IL
GONNAM RD TR-32
FairOver: WAUPECON CR
.14 MI N PRAIRIE RD, Grundy, IL
GRINTER RD TR-129
FairOver: BREWSTER RUN
.26 MI E OLD MAZ RD, Grundy, IL
VERONA RD TR-74A
FairOver: JOHNNY RUN
.16 MI S BURKHART RD, Grundy, IL
US 6
FairOver: DRAINAGE DITCH
2.5 MI E OF ILL 170, Grundy, IL
TR 25A CEMETERY RD
FairOver: I&M CANAL
W. OF MCLINDON RD, Grundy, IL
FAS-288 (CH-18)
FairOver: Claypool Drain Ditch
0.5 Mi N Coal City, Grundy, IL
BENNETT RD TR-22
FairOver: HOG RUN
0.18 MI N. FARMER RD, Grundy, IL
TR-13 HOGE RD
FairOver: WEST FORK NETTLE CR
.65 MI NW TR 70, Grundy, IL
FAS-292 Gardner Rd
FairOver: Murray Sluice
.28 MI W WARD TR84, Grundy, IL
TR 56
FairOver: THUNDER CREEK
300' S PRAIRIE RD, Grundy, IL
CH 32 GARDNER RD
FairOver: TRIB TO WAPECON CR
.01 MI E LASALLE RD, Grundy, IL
ILL 53 FAP 846
FairOver: MAZON RIVER
1.3 M N OF GARDNER, Grundy, IL
GORMAN RD CH 10
FairOver: MAZON RIVER
0.04 MI N TR 109B, Grundy, IL
IL 47 FAP 326
FairOver: IL RIV.& I & M CANAL
APPR.1.23MI S /US 6, Grundy, IL
TR 74
FairOver: TRIB.OF WAUPECON CRK
W4000, S1400, Grundy, IL
FAI 80 EBL
FairOver: W FORK NETTLE CR
2.52 MI W OF IL 47, Grundy, IL
FAI 80 WBL
FairOver: W FORK NETTLE CR
2.52 MI W OF IL 47, Grundy, IL
TR-167 SCULLY RD
FairOver: TRIB E FK MAZON RIV
.09 MI W CH-31, Grundy, IL
ILL 47
FairOver: MURRAY CREEK
7.23 MILES N OF I-55, Grundy, IL
MINOOKA RD TR 3
FairOver: TRIB W FR NETTLE CR
0.57MI E. ROODS RD, Grundy, IL
FAI 080 (EB & WB)
FairOver: AUX SABLE CRK
7.73 MI E OF ILL 47, Grundy, IL
FAI 80 WBL
FairOver: E FORK NETTLE CR
1.3 MI W OF ILL 47, Grundy, IL
T.R. 103 /OMalley
FairOver: HOG RUN
0.1 mi. E.Kingman Rd, Grundy, IL
TR-105 (Spring Rd)
FairOver: MAZON RIVER
.3 MI E CAMPBELL RD, Grundy, IL
REED ROAD TR-107B
FairOver: MAZON RIVER
.33 MI W GORMAN RD, Grundy, IL
ILL 47
FairOver: BREWSTER RUN
N OF I-55, Grundy, IL
IL 47 FAP 326
FairOver: W FORK MAZON RIVER
6.1 MI N OF I-55, Grundy, IL
I-80EB Entrance Ra
FairOver: COLLINS RUN
SE QUAD I-80/BRISBIN, Grundy, IL
NETTLE CR ROAD CH-
FairOver: WEST FORK NETTLE CR
0.1 MI N OF TR 13, Grundy, IL
ILL 113
FairOver: MAZON RIVER
3.12 M E. OF ILL 47, Grundy, IL
IL 47 FAP 326
FairOver: JOHNNY RUN
S EDGE OF MAZON, Grundy, IL
FAI 55 NB
FairOver: Union Pacific RR
3.2 MI S OF REED RD, Grundy, IL
FAI 55 SB
FairOver: Union Pacific RR
3.2 MI S OF REED RD, Grundy, IL
MARSEILLES RD,CH 2
FairOver: LONG POINT CREEK
0.37 MI W OF US 6, Grundy, IL
ILL 113/FAS 301
FairOver: BR OF MAZON RIVER
2.75 M. E. OF IL 47, Grundy, IL
PINE BLUFF RD CH-2
FairOver: MAZON RIVER
0.12 MI W OF TR 45, Grundy, IL
Read our methodology - how this data is sourced, computed, and verified.
Related
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.