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.

269
Total Bridges
38.3%
Good
27.1%
Fair
24.2%
Poor Condition

Condition Distribution

Good
38.3% (103)
Fair
27.1% (73)
Poor
24.2% (65)

All Bridges (269)

TR 119 BOOTH ROAD

Fair

Over: TRIB E FK MAZON RIV

.27 MI E TYNAN ROAD, Grundy, IL

Built 1981 Load: 68.7 t ADT: 50

TR 112 MIDDLE ROAD

Good

Over: SARATOGA CREEK

0.01 MI S AIRPORT RD, Grundy, IL

Built 1986 Load: 18.5 t ADT: 125

KINSMAN RD TR-8

Good

Over: TRIB TO HOG RUN

.28 MI S WAUPECAN RD, Grundy, IL

Built 1965 Load: 24.3 t ADT: 150

LIVINGSTON RD TR-1

Good

Over: EAST FK MAZON RIVER

0.10 MI E OF TR-168, Grundy, IL

Built 1974 Load: 25.6 t ADT: 50

JEFFERSON ST

Good

Over: NETTLE CR

300 FT W NETTLE ST, Grundy, IL

Built 1964 Load: 25.9 t ADT: 3,850

TR 28 ROODS RD

Good

Over: TRIB TO NETTLE CREEK

0.24 MI N AIRPORT RD, Grundy, IL

Built 1987 Load: 28.5 t ADT: 75

LUTZ RD/MS 6100

Good

Over: TRIB TO MAZON RIVER

0.12 MI N/GARDNER RD, Grundy, IL

Built 1997 Load: 28.8 t ADT: 75

TR 105 SPRING RD

Good

Over: TRIB TO CLAYPOOL D D

0.32 MI E JUGTOWN RD, Grundy, IL

Built 1988 Load: 29.5 t ADT: 25

MINE RD TR-111

Good

Over: WAUPECON CR

.32 MI E GONNAM RD, Grundy, IL

Built 1979 Load: 29.8 t ADT: 75

TR 165 SCULLY RD

Good

Over: MURRAY RUN

.05 MI E SWELL RD, Grundy, IL

Built 1985 Load: 29.8 t ADT: 25

MINOOKA RD TR-3B

Good

Over: SARATOGA CREEK

.71 MI W MIDDLE RD, Grundy, IL

Built 1975 Load: 30.8 t ADT: 300

TR 2 LA SALLE RD

Good

Over: TRIB TO HOG RUN

0.31 MI S CH 6, Grundy, IL

Built 1987 Load: 31.1 t ADT: 50

TR180-STORM RD

Good

Over: E FORK MAZON RIVER

N OF STONEWALL RD, Grundy, IL

Built 1993 Load: 31.1 t ADT: 150

TR 110 DWIGHT RD

Good

Over: WAUPECON CREEK

.16 MI S LOWERY RD, Grundy, IL

Built 1985 Load: 31.4 t ADT: 125

VERONA RD TR-74

Good

Over: WAUPECAN CR

0.35 MI N OF CH 9, Grundy, IL

Built 1978 Load: 32.1 t ADT: 325

US 6

Good

Over: O'BRIEN RUN

4.09 MI.W.OF ILL 47, Grundy, IL

Built 1974 Load: 32.4 t ADT: 3,950

US 6 (FAP 623)

Good

Over: Rat Run Creek

1.45 MI E OF IL 170, Grundy, IL

Built 2011 Load: 32.4 t ADT: 3,200

TR 3 MINOOKA RD

Good

Over: EAST FK NETTLE CREEK

.09 MI W SCOTT SC RD, Grundy, IL

Built 1984 Load: 32.4 t ADT: 375

TR 4 LA SALLE RD

Good

Over: TRIB TO NETTLE CR

.64 MI N HOGE RD, Grundy, IL

Built 1987 Load: 32.4 t ADT: 50

TR-3B MINOOKA RD

Good

Over: VALLEY RUN

0.13 MI W ILL RT 47, Grundy, IL

Built 2009 Load: 32.4 t ADT: 300

TR 4 LA SALLE ROAD

Good

Over: STANTON CREEK

.81 MI S CH 1, Grundy, IL

Built 1983 Load: 32.4 t ADT: 75

TR 47 LONGPOINT RD

Good

Over: LONG POINTCREEK

.41 MI W US 6, Grundy, IL

Built 1987 Load: 32.4 t ADT: 25

Nettle school Road

Good

Over: O'Brien Run

.27 S.of Stockd Rd., Grundy, IL

Built 2016 Load: 32.4 t ADT: 225

TR 61 SOUTHMOR ROA

Good

Over: BILLS RUN

1.7 M NE SHABBONA RD, Grundy, IL

Built 1984 Load: 32.4 t ADT: 125

VERONA RD TR 74

Good

Over: BILLS RUN

0.31MI N. GREER RD, Grundy, IL

Built 1990 Load: 32.4 t ADT: 325

Greer Rd.

Good

Over: Bills Run

0.44 West Verona, Grundy, IL

Built 2016 Load: 32.4 t ADT: 50

WHITETIE RD TR 77

Good

Over: MAZON RIVER

0.01 MI S OXBOW RD, Grundy, IL

Built 1984 Load: 32.4 t ADT: 250

N. Prairie Dr.

Good

Over: Goose Lake

0.07 E. Lakeside Dr., Grundy, IL

Built 2015 Load: 32.4 t ADT: 125

GORHAM RD TR-80

Good

Over: TR1B TO WAVPECON CR

0.41 MI.S. GREEN CR, Grundy, IL

Built 1989 Load: 32.4 t ADT: 75

DWIGHT RD TR-110

Good

Over: MURRAY SERVICE

.45 MI N.BURKHART RD, Grundy, IL

Built 1990 Load: 32.4 t ADT: 150

TR 147, RANSOM RD

Good

Over: MURRAY SLOUGH

.17M.WE.OF VERONA RD, Grundy, IL

Built 2005 Load: 32.4 t ADT: 50

KINSMAN RD TR-6

Good

Over: JOHNNY RUN

.3 MI S CAHILL RD, Grundy, IL

Built 1979 Load: 32.4 t ADT: 50

TR 1E (LIV ROAD)

Good

Over: TRIB TO JOHNNY RUN

SEE BELOW, Grundy, IL

Built 2003 Load: 32.4 t ADT: 25

TR 56

Good

Over: JOHNNY RUN

0.1 m N GARDNER RD, Grundy, IL

Built 2010 Load: 32.4 t ADT: 25

TR-165 (Scully Roa

Good

Over: Trib W Fk Mazon Rv

0.48mi. W. Verona Rd, Grundy, IL

Built 2016 Load: 32.4 t ADT: 50

TR-155 GOODFARM RD

Good

Over: BREWSTER RUN

.12 MI E OLD MAZ RD, Grundy, IL

Built 1980 Load: 32.4 t ADT: 150

STONEWALL RD TR-15

Good

Over: BREWSTER RUN

0.46 MI E OF ILL 47, Grundy, IL

Built 1978 Load: 32.4 t ADT: 75

STONEWALL RD TR-15

Good

Over: BREWSTER RUN

.10 MI E OLD MAZ RD, Grundy, IL

Built 1979 Load: 32.4 t ADT: 75

TR-165 SCULLY RD

Good

Over: BREWSTER RUN

.13 MI E ILL 47, Grundy, IL

Built 1910 Load: 32.4 t ADT: 10

TR155

Good

Over: BREWSTER RUN

9MI E IL47 ON TR155, Grundy, IL

Built 1995 Load: 32.4 t ADT: 125

TR 131

Good

Over: MURRAY SLUICE

.42 MI W TR 110/DWIG, Grundy, IL

Built 2002 Load: 32.4 t ADT: 50

OLD MAZON RD

Good

Over: BREWSTER RUN

.10 N GOODFARM RD, Grundy, IL

Built 2008 Load: 32.4 t ADT: 50

TR 152 GORMAN ROAD

Good

Over: TRIB E FK MAZON RIV

.7 MI S SCULLY ROAD, Grundy, IL

Built 1984 Load: 32.4 t ADT: 25

OTTAWA AVE

Good

Over: NETTLE CREEK

950 F&S. FREMONT, Grundy, IL

Built 1971 Load: 32.4 t ADT: 2,450

WAUPECAN RD TR 107

Good

Over: HOG RUN CREEK

.04 MI E LASALLE RD, Grundy, IL

Built 1993 Load: 32.7 t ADT: 50

TR 86 SARATOGA RD

Good

Over: EAST FK NETTLE CREEK

.27 MI N NELSON RD, Grundy, IL

Built 1986 Load: 33.0 t ADT: 275

TR 131 BURKHART RO

Good

Over: WAUPECON CREEK

.41 MI W KINSMAN RD, Grundy, IL

Built 1984 Load: 33.0 t ADT: 75

TR 97FARMER RD

Good

Over: HOG RUN

.21 MI W-BENNIT RD, Grundy, IL

Built 1994 Load: 33.4 t ADT: 75

TR 111A MINE ROAD

Good

Over: JOHNNY RUN CREEK

.28 MI W DWIGHT ROAD, Grundy, IL

Built 1982 Load: 33.4 t ADT: 75

TR 165 SCULLY ROAD

Good

Over: JOHNNY RUN CREEK

.27 MI E LA SALLE RD, Grundy, IL

Built 1981 Load: 34.0 t ADT: 50

Read our methodology - how this data is sourced, computed, and verified.

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Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

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.