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.
Condition Distribution
All Bridges (332)
TR 93
GoodOver: YELLOW CREEK
1.5 MI SW WADDAMS GR, Stephenson, IL
DUBLIN RD.
GoodOver: YELLOW CR BRANCH
2 MI. N. PEARL CTY, Stephenson, IL
N HULBERT RD
GoodOver: MUDDY CREEK
5.0 MI SW ORANGEVILL, Stephenson, IL
FLANSBURG RD
GoodOver: BR OF PECATONICA RV
4.3 MI E LENA, Stephenson, IL
IL 26
GoodOver: RICHLAND CREEK
.5MI. S. ORANGEVILLE, Stephenson, IL
IL 26
GoodOver: DRAINAGE DITCH
2 MI. N. OF FREEPORT, Stephenson, IL
EAST BUCKEYE ROAD
GoodOver: COON CREEK
2 MI. E. OF IL 26, Stephenson, IL
WINNESHEIK ROAD
GoodOver: WINNESHEIK CREEK
2.0 MI E OF ILL 75, Stephenson, IL
ILL 73
GoodOver: YELLOW CREEK
3.2 MI SOUTH OF US20, Stephenson, IL
FAS 60 (CH 5)
GoodOver: BRANCH BROWN CREEK
3.0 MI SE DAKOTA, Stephenson, IL
SCHOOL STREET
GoodOver: CEDAR CREEK
S EDGE OF WINSLOW, Stephenson, IL
WEST PRESTON ROAD
GoodOver: PRESTON CREEK
1.0 MI S OF US RT 20, Stephenson, IL
OLD IL 26
GoodOver: W.BR. RICHLAND CREEK
1.5MI. S. WISC. LINE, Stephenson, IL
W CLAY RD
GoodOver: PLUM CREEK BRANCH
0.60 MI W SO KENT RD, Stephenson, IL
STATE LN RD(FAS104
GoodOver: INDIAN CREEK
2 MI. W. OF IL 73, Stephenson, IL
US 20
GoodOver: YELLOW CREEK
0.1 MI E JO DAV. CO., Stephenson, IL
WINSLOW ROAD
GoodOver: HONEY CREEK
1 MI E. WINSLOW, Stephenson, IL
ORANGEVILLE RD.
GoodOver: RICHLAND CREEK
ORANGEVILLE, Stephenson, IL
EAST LAMM ROAD
GoodOver: BR OF SUMNER CREEK
3.5 MINE GERMAN VAL, Stephenson, IL
US ROUTE 20 (FRNT
GoodOver: TRIB. PECATONICA RVR
W OF IL 26- N FREPRT, Stephenson, IL
IL 73
GoodOver: TRIB. YELLOW CREEK
PEARL CITY, Stephenson, IL
W FLORENCE ROAD
GoodOver: BR OF CRANE GROVE CR
0.2 MI E OF ILL 26, Stephenson, IL
US 20
GoodOver: PECATONICA RIV. TRIB
0.5 MI W TOWER ROAD, Stephenson, IL
S MILL GROVE ROAD
PoorOver: YELLOW CREEK
3 MI SE PEARL CITY, Stephenson, IL
N. COON ROAD
PoorOver: BRUSH CREEK
3.0 MI E ORANGEVILLE, Stephenson, IL
OLD IL 26
PoorOver: RICHLAND CK&C WIS RR
1.2 MI N ORANGEVILLE, Stephenson, IL
N AFOLKEY ROAD
PoorOver: BRUSH CREEK
3.0 MI E ORANGEVILLE, Stephenson, IL
LORAN RD.
PoorOver: PLUM CR. BR.
5.5 MI SW PEARL CITY, Stephenson, IL
HANCOCK AVENUE
PoorOver: PECATONICA RIVER
NORTHEAST FREEPORT, Stephenson, IL
OLD IL 26
PoorOver: E BR RICHLAND CREEK
.7 MI N ORANGEVILLE, Stephenson, IL
W. KOELLER ROAD
PoorOver: EAST PLUM RIVER
4 MI. SW. PEARL CITY, Stephenson, IL
FARWELL BRIDGE ROA
PoorOver: PECATONICA RIVER
3.5 MI NE RIDOTT, Stephenson, IL
Read our methodology - how this data is sourced, computed, and verified.
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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.