Stephenson County, IL

332 public highway bridges

Stephenson County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Stephenson County, Illinois contains 332 public highway bridges. Roughly 60.8% are rated “Good,” 32.5% “Fair,” and 2.7% “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.

332
Total Bridges
60.8%
Good
32.5%
Fair
2.7%
Poor Condition

Condition Distribution

Good
60.8% (202)
Fair
32.5% (108)
Poor
2.7% (9)

All Bridges (332)

ILL 26

Fair

Over: STREAM

2 MI. S. OF FREEPORT, Stephenson, IL

Built 1977 Load: 38.2 t ADT: 4,750

S. PARK ROAD

Fair

Over: YELLOW CREEK

S. ENT TO KRAPE PARK, Stephenson, IL

Built 1934 Load: 38.2 t ADT: 125

US 20 WB

Fair

Over: WICKHAM CREEK

4.0 MI W WINN CO LN, Stephenson, IL

Built 1983 Load: 40.2 t ADT: 12,700

US 20 EB

Fair

Over: WICKHAM CREEK

4 MI W. WINNEBAGO CO, Stephenson, IL

Built 1999 Load: 40.2 t ADT: 12,700

PEARL CITY RD.

Fair

Over: YELLOW CR. BR.

PEARL CITY, Stephenson, IL

Built 1940 Load: 40.5 t ADT: 2,650

IL 26

Fair

Over: DRAINAGE DITCH

2.6 MI N CEDARVILLE, Stephenson, IL

Built 1995 Load: 40.8 t ADT: 4,550

ILL RT 75

Fair

Over: ROCK RUN CREEK

1.3 MI E ROCK CITY, Stephenson, IL

Built 2011 Load: 43.1 t ADT: 3,300

IL 26

Fair

Over: YELLOW CREEK

S EDGE OF FREEPORT, Stephenson, IL

Built 1988 Load: 43.4 t ADT: 12,600

US 20 WB

Fair

Over: PECATONICA RIVER

NE OF FREEPORT, Stephenson, IL

Built 2008 Load: 43.4 t ADT: 6,800

US ROUTE 20 WB

Fair

Over: BIKE TRAIL

1.75 MI W OF IL 26, Stephenson, IL

Built 2011 Load: 44.1 t ADT: 6,150

US 20 BR

Fair

Over: SMALL CREEK

1.5 MI E FREEPORT, Stephenson, IL

Built 1956 Load: 45.0 t ADT: 7,000

E. CEDARVILLE RD.

Fair

Over: BROWN CREEK

2.0 MI SE DAKOTA, Stephenson, IL

Built 1940 Load: 45.0 t ADT: 950

US20 FREPORT BYPS

Fair

Over: PECATONICA RIVER

2.5 MI W OF IL 26, Stephenson, IL

Built 1987 Load: 46.3 t ADT: 6,150

US ROUTE 20 WB

Fair

Over: PECATONICA RIVER

2.5 MI W IL RTE 26, Stephenson, IL

Built 2011 Load: 46.7 t ADT: 6,150

US RT 20

Fair

Over: YELLOW CREEK

1.5 MI W ILL 73, Stephenson, IL

Built 1970 Load: 48.0 t ADT: 5,750

US 20 BR

Fair

Over: CN RR

0.5 MI E FREEPORT, Stephenson, IL

Built 1956 Load: 48.0 t ADT: 7,000

IL 73

Fair

Over: YELLOW CREEK

0.5 MI N PEARL CITY, Stephenson, IL

Built 1992 Load: 53.1 t ADT: 2,350

US20 FREEPORT BYPA

Fair

Over: PECATONICA RIV TRIB

1.25 MI W OF IL 26, Stephenson, IL

Built 1987 Load: 53.1 t ADT: 6,150

US 20 BR

Fair

Over: YELLOW CREEK

1 MI E FREEPORT, Stephenson, IL

Built 1956 Load: 54.1 t ADT: 7,000

US 20 & PRIVATE RD

Fair

Over: SILVER CREEK TRIB

4 MI E OF FREEPORT, Stephenson, IL

Built 1959 Load: 54.1 t ADT: 12,700

US 20

Fair

Over: CN RAILROAD

2 MI. E. OF ELROY, Stephenson, IL

Built 2010 Load: 69.3 t ADT: 8,050

WEST BABLER ROAD

Good

Over: BRUSH CREEK

2.0 MI SE ORANGEVILL, Stephenson, IL

Built 1957 ADT: 50

E MCCONELL RD

Good

Over: CEDAR CREEK

0.3 mi N of DAKOTA RD, Stephenson, IL

Built 2022 ADT: 700

RIVER RD.

Good

Over: BR PECATONICA RIVER

6.0 MI E FREEPORT, Stephenson, IL

Built 1953 Load: 12.3 t ADT: 275

TR-224 N AFOLKEY R

Good

Over: BR OF CEDAR CREEK

2.0 MI W OF DAKOTA, Stephenson, IL

Built 1966 Load: 12.3 t ADT: 525

GERBICK RD

Good

Over: BR OF YELLOW CREEK

4.5 MI NW OF LENA, Stephenson, IL

Built 1962 Load: 13.0 t ADT: 50

E KELLY RD

Good

Over: CN RR

1 MI W WINN CO LN, Stephenson, IL

Built 1901 Load: 13.6 t ADT: 50

EAST ST JAMES RD

Good

Over: CEDAR CREEK

5.0 MI E ORANGEVILLE, Stephenson, IL

Built 1954 Load: 13.9 t ADT: 75

LOUISA RD

Good

Over: BR OF WADDAMS CREEK

0.7 MI W ILL RT 73, Stephenson, IL

Built 1966 Load: 16.8 t

E. HICKORY GROVE R

Good

Over: CEDAR CREEK

5 MI N ILL 75, Stephenson, IL

Built 1957 Load: 17.5 t ADT: 150

W. PRAIRIE ROAD

Good

Over: BR OF YELLOW CREEK

5.0 MI SW OF FREEPOR, Stephenson, IL

Built 1969 Load: 18.1 t ADT: 50

WINNESHEIK ROAD

Good

Over: PINK CREEK

5.0 MI S OF DAVIS, Stephenson, IL

Built 1968 Load: 19.8 t ADT: 75

NORTH UNITY RD

Good

Over: SPRING CREEK

3.5 MI NE OF LENA, Stephenson, IL

Built 1954 Load: 20.1 t ADT: 50

E BRICK SCHOOL ROA

Good

Over: WINNESHIEK CREEK

1.6 MI E OF IL RT 75, Stephenson, IL

Built 1973 Load: 20.4 t ADT: 50

S SHANNON ROAD

Good

Over: LOST CREEK

7.0 MI SW FREEPORT, Stephenson, IL

Built 1957 Load: 20.7 t ADT: 450

RANGE RD

Good

Over: BR OF PECATONICA RIV

3.5 MI E OF LENA, Stephenson, IL

Built 1969 Load: 20.7 t ADT: 50

E. RIDOTT ROAD

Good

Over: WICKHAM CREEK

1.5 MI N OF US RT 20, Stephenson, IL

Built 1959 Load: 21.4 t ADT: 150

NORTH SUNNYSIDE RD

Good

Over: BR OF YELLOW CREEK

4.0 MI SW OF LENA, Stephenson, IL

Built 1971 Load: 21.7 t ADT: 50

WEST GREENBUSH ROA

Good

Over: BR OF YELLOW CREEK

2.5 MI SW OF LENA, Stephenson, IL

Built 1962 Load: 22.0 t ADT: 75

S FARWELL BRIDGE R

Good

Over: SUMNER CREEK BRANCH

1.0 MI S OF US RT 20, Stephenson, IL

Built 1969 Load: 22.0 t ADT: 150

E WINNESHEIK ROAD

Good

Over: ROCK RUN CREEK

4.5 MI S ROCK CITY, Stephenson, IL

Built 1972 Load: 22.4 t ADT: 125

WEST BUTZ ROAD

Good

Over: LOST CREEK

5.0 M SE PEARL CITY, Stephenson, IL

Built 1971 Load: 22.7 t ADT: 75

TR-111 (MAIN RD)

Good

Over: BR OF YELLOW CREEK

1.5 MI W OF LENA, Stephenson, IL

Built 1939 Load: 22.7 t ADT: 425

BASSWOOD ROAD

Good

Over: BR OF PECATONICA RIV

SOUTH OF FAS RT.66, Stephenson, IL

Built 1964 Load: 23.7 t ADT: 75

NORTH AYP ROAD

Good

Over: BR OF PECATONICA RIV

1.2 MI N OF ILL 20, Stephenson, IL

Built 1965 Load: 24.0 t ADT: 400

S LOST CREEK ROAD

Good

Over: LOST CREEK

7 MI SW FREEPORT, Stephenson, IL

Built 1965 Load: 24.0 t ADT: 50

NORTH FLANSBURG RD

Good

Over: SPRING CREEK

4.5 MI NE OF LENA, Stephenson, IL

Built 1970 Load: 24.0 t ADT: 150

WIRE RD

Good

Over: BR OF PECATONICA RIV

1.0 MI W ILL RT 73, Stephenson, IL

Built 1963 Load: 24.3 t ADT: 25

FLANSBURG RD

Good

Over: BR OF PECATONICA RIV

0.7 MI N US RT 20, Stephenson, IL

Built 1957 Load: 25.9 t ADT: 250

ROCK CITY RD

Good

Over: BROWN CREEK

4 MI SW DAVIS, Stephenson, IL

Built 1962 Load: 27.2 t ADT: 900
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.