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)

NORTH DAKOTA RD

Fair

Over: BRANCH CEDAR CREEK

3.0 MI N DAKOTA, Stephenson, IL

Built 1943 Load: 24.3 t ADT: 475

N IMOBERSTEG RD

Fair

Over: BR OF RICHLAND CREEK

1.0 MI N OF ONECO, Stephenson, IL

Built 1970 Load: 24.3 t ADT: 100

W PIN HOOK ROAD

Fair

Over: WADDAMS CREEK

0.7 MI E OF XRDS RD, Stephenson, IL

Built 1954 Load: 24.3 t ADT: 75

N. PARK ROAD

Fair

Over: YELLOW CREEK

N. ENT TO KRAPE PARK, Stephenson, IL

Built 1919 Load: 24.3 t ADT: 750

BOLTON ROAD

Fair

Over: YELLOW CREEK

4.0 MI SW FREEPORT, Stephenson, IL

Built 1958 Load: 24.6 t ADT: 850

WARREN ROAD

Fair

Over: E SPAFFORD CR

5 MI. WEST WINSLOW, Stephenson, IL

Built 1962 Load: 25.3 t ADT: 375

WEST RADERS ROAD

Fair

Over: BR OF YELLOW CREEK

1.4 MI W OF ILL 73, Stephenson, IL

Built 1965 Load: 25.6 t ADT: 75

WEST HERSHEY ROAD

Fair

Over: LOST CREEK

5 MI SE OF PEARL CIT, Stephenson, IL

Built 1974 Load: 25.6 t ADT: 25

W. SABIN CHURCH RD

Fair

Over: BOONE BR. LOST CREEK

2.5 MI. E. IL. RT 73, Stephenson, IL

Built 1967 Load: 25.9 t ADT: 300

W STATE LINE ROAD

Fair

Over: INDIAN CREEK

1.35 MI. W. ILL 73, Stephenson, IL

Built 1956 Load: 26.2 t ADT: 200

ORANGEVILLE RD.

Fair

Over: UNNAMED STREAM

0.5 MI E MCCONNELL, Stephenson, IL

Built 1958 Load: 26.9 t ADT: 525

BAILEYVILLE RD.

Fair

Over: YELLOW CREEK

1 MI. S. FREEPORT, Stephenson, IL

Built 1937 Load: 27.2 t ADT: 2,000

SO STONE CHURCH RO

Fair

Over: BR. OF PLUM RIVER

2.25 MI SO OF LORAN, Stephenson, IL

Built 1971 Load: 27.2 t ADT: 150

FARWELL BR. RD.

Fair

Over: PINK CREEK

3.5 MI NE RIDOTT, Stephenson, IL

Built 1971 Load: 27.9 t ADT: 350

SO WALNUT ROAD

Fair

Over: CRANES GROVE CREEK

2.0 MI S FREEPORT, Stephenson, IL

Built 1970 Load: 27.9 t ADT: 50

N HENDERSON ROAD

Fair

Over: BRUSH CREEK

1.5 MI SE ORANGEVILL, Stephenson, IL

Built 1957 Load: 27.9 t ADT: 125

CEDARVILLE RD

Fair

Over: BRANCH WADDAMS CREEK

1.0 MI E LENA, Stephenson, IL

Built 1936 Load: 28.2 t ADT: 1,300

EAST MILL ROAD

Fair

Over: CEDAR CREEK

2.0 MI NW OF DAKOTA, Stephenson, IL

Built 1968 Load: 28.5 t ADT: 75

ROCK CITY RD

Fair

Over: ROCK RUN CR

3.0 MI W DAVIS, Stephenson, IL

Built 1965 Load: 28.8 t ADT: 625

BEAVER ROAD

Fair

Over: RICHLAND CREEK

.3 MI. W. RED OAK, Stephenson, IL

Built 1983 Load: 30.1 t ADT: 75

ILL 26 (FAP 316)

Fair

Over: PECATONICA RIVER

0.4 MI N OF US 20BR, Stephenson, IL

Built 1983 Load: 30.8 t ADT: 12,500

WINSLOW ROAD

Fair

Over: PECATONICA RIVER

WINSLOW, Stephenson, IL

Built 1941 Load: 31.4 t ADT: 1,200

DUBLIN RD.

Fair

Over: YELLOW CREEK

2.5 MI NW PEARL CITY, Stephenson, IL

Built 1966 Load: 32.1 t ADT: 575

SABIN CHURCH ROAD

Fair

Over: LOST CREEK

2.8 MI. EAST ILL. 73, Stephenson, IL

Built 1968 Load: 32.1 t ADT: 300

US 20 EB

Fair

Over: SILVER CREEK

.5 MI E SPRINGFLD RD, Stephenson, IL

Built 1987 Load: 32.4 t ADT: 6,200

US 20

Fair

Over: CREEK

1.37MI E FAIRVIEW RD, Stephenson, IL

Built 1900 Load: 32.4 t ADT: 6,150

PEARL CITY RD

Fair

Over: YELLOW CR BRANCH

3 MI. EAST PEARL CTY, Stephenson, IL

Built 1927 Load: 32.4 t ADT: 2,600

WARREN ROAD

Fair

Over: SPAFFORD CREEK

6 MI. W. OF WINSLOW, Stephenson, IL

Built 1962 Load: 32.4 t ADT: 375

DEAN ROAD

Fair

Over: ROCK RUN CREEK

1.2 M W OF DAVIS, Stephenson, IL

Built 1964 Load: 32.4 t ADT: 50

W BRUSH CREEK ROAD

Fair

Over: RICHLAND CREEK

0.8 MI W OF ILL 26, Stephenson, IL

Built 1977 Load: 32.4 t ADT: 75

EAST LAMM ROAD

Fair

Over: CRANES GROVE CREEK

0.5 MI E OF ILL 26, Stephenson, IL

Built 1980 Load: 32.4 t ADT: 625

W WINNESHEIK ROAD

Fair

Over: PECATONICA RIVER

1.4 MI N OF US RT 20, Stephenson, IL

Built 1983 Load: 32.4 t ADT: 250

W RADERS ROAD

Fair

Over: BR OF YELLOW CREEK

0.1 MI E OF ILL 73, Stephenson, IL

Built 1981 Load: 32.4 t ADT: 50

OLD MILL ROAD

Fair

Over: MUDDY CREEK

.5 MI N OF MCCONNELL, Stephenson, IL

Built 1989 Load: 32.4 t ADT: 50

US 20 EB

Fair

Over: PECATONICA RIVER

NE OF FREEPORT, Stephenson, IL

Built 1982 Load: 33.4 t ADT: 6,800

US 20 WB

Fair

Over: SILVER CREEK

.5 MI E SPRINGFLD RD, Stephenson, IL

Built 1987 Load: 34.3 t ADT: 6,200

FAIRGROUND ROAD

Fair

Over: YELLOW CREEK

1.75 MI W ILL RT 26, Stephenson, IL

Built 1973 Load: 35.0 t ADT: 3,350

ILL 26

Fair

Over: CN RR

0.2 MI N OF US 20 BR, Stephenson, IL

Built 1986 Load: 35.3 t ADT: 12,500

US 20 EB

Fair

Over: SUMNER CREEK

1.2MI W WINNEBAGO CO, Stephenson, IL

Built 1959 Load: 36.3 t ADT: 12,700

IL 75

Fair

Over: PECATONICA RIVER

IN FREEPORT, Stephenson, IL

Built 1946 Load: 36.3 t ADT: 4,150

W STATE LINE ROAD

Fair

Over: SPAFFORD CREEK

5.0 MI. WT. RTE. 73, Stephenson, IL

Built 1930 Load: 36.6 t ADT: 50

W NEEBEL ROAD

Fair

Over: BR OF E PLUM RIVER

3.5 MI W PEARL CITY, Stephenson, IL

Built 1910 Load: 36.6 t ADT: 25

US ROUTE 20 EB

Fair

Over: BIKE TRAIL

1.75 MI W OF IL 26, Stephenson, IL

Built 1987 Load: 36.9 t ADT: 6,150

US20B WEST BOUND L

Fair

Over: SILVER CREEK

.5 MI E SPRINGFLD RD, Stephenson, IL

Built 1987 Load: 36.9 t ADT: 6,900

SCIOTO MILLS RD.

Fair

Over: RICHLAND CREEK

SCIOTO MILLS, Stephenson, IL

Built 1968 Load: 36.9 t ADT: 250

W WINNESHEIK RD

Fair

Over: DUCKS MISERY

2.5 MI W OF ILL 26, Stephenson, IL

Built 1897 Load: 37.3 t ADT: 250

FAP 316-IL 26

Fair

Over: BRUSH CREEK

1.7 MI S ORANGEVILLE, Stephenson, IL

Built 1991 Load: 37.6 t ADT: 4,600

ILL 73

Fair

Over: CEDAR CREEK

S EDGE OF WINSLOW, Stephenson, IL

Built 1990 Load: 37.6 t ADT: 1,250

IL 73

Fair

Over: TRIB. YELLOW CREEK

1.5 MI. S. OF LENA, Stephenson, IL

Built 1992 Load: 37.9 t ADT: 2,100

ILL 73

Fair

Over: WADDAMS CREEK

1.6 MI N OF LENA, Stephenson, IL

Built 1983 Load: 37.9 t ADT: 2,050
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.