Carroll County, IL
185 public highway bridges
Carroll County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Carroll County, Illinois contains 185 public highway bridges. Roughly 35.7% are rated “Good,” 49.7% “Fair,” and 10.3% “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 (185)
WYSOX ROAD
GoodOver: OTTER CREEK
3 MI W MILLEDGEVILLE, Carroll, IL
US 52 & IL 64
GoodOver: STRADDLE CREEK
2.4 MI. W. LANARK, Carroll, IL
STATE STREET
GoodOver: TRIB TO CARROLL CRK
0.1 MI. W OF IL 78, Carroll, IL
N OTTER CREEK DR
GoodOver: A BR OF STRADDLE CR
2 MI E OF LANARK, Carroll, IL
ARGO FAY ROAD
GoodOver: STREAM
1 MI SW OF ARGO FAY, Carroll, IL
S SCENIC BLUFF ROA
GoodOver: BRANCH OF PLUM RIVER
2 MI SE SAVANNA, Carroll, IL
ARGO FAY ROAD
GoodOver: STREAM
1.5 MI SW ARGO FAY, Carroll, IL
IL 78
GoodOver: STREAM
N. EDGE OF MT CARROL, Carroll, IL
N GALENA ST
GoodOver: CARROLL CREEK
NW EDGE OF MT CARROL, Carroll, IL
E MIDDLE CREEK RD
GoodOver: MIDDLE CREEK
3 MI W BROOKVILLE, Carroll, IL
IL 78
GoodOver: TRIB. E. PLUM RIVER
1.5 MI S JO DAVIESS, Carroll, IL
US 52 & IL 64
GoodOver: BR. SREADDLE CREEK
2.5 MI. W. LANARK, Carroll, IL
IL 40
GoodOver: ELKHORN CREEK TRIB.
1.5 MI S MILLEDGEVIL, Carroll, IL
ARGO FAY RD
GoodOver: DRAINAGE
.06 MI W BIG CUT RD, Carroll, IL
US 52 AND ILL 64
GoodOver: CARROLL CREEK
3.1 MI. EAST OF IL78, Carroll, IL
IL 73
GoodOver: STREAM
.4MI S STEPHENSON CO, Carroll, IL
TR-82 (Daggert Roa
PoorOver: East Johnson Creek
3 MI S MT. CARROLL, Carroll, IL
FREMONT ROAD
PoorOver: ELKHORN CREEK
4MI NE MILLEDGEVILLE, Carroll, IL
E KELTNER ROAD
PoorOver: E FORK PLUM RIVER
.5 MI S COUNTY LINE, Carroll, IL
TR-66 (Mill Road)
PoorOver: BNSF RR
2 MI NE ARGO FAY, Carroll, IL
FAS-2077 E Brkvl R
PoorOver: Otter Creek
3.5 MI SE LANARK, Carroll, IL
N OLD GALENA TRAIL
PoorOver: PLUM RIVER
5 M NW MT CARROLL, Carroll, IL
SCENIC BLUFF RD
PoorOver: CARROLL CREEK
3.5 M W MT CARROLL, Carroll, IL
TR 128 S PROWANT R
PoorOver: BRANCH ROCK CREEK
2 MI SE CHADWICK, Carroll, IL
WEST DOTY ROAD
PoorOver: DRAINAGE DITCH
1 MI SO OF SAVANNA, Carroll, IL
TR-67 (Messmer Roa
PoorOver: E PLUM RIVER
3.5 MI W MT.CARROLL, Carroll, IL
SCENIC BLUFF ROAD
PoorOver: DEER CREEK
2 M SE OF SAVANNA, Carroll, IL
W WACKER ROAD
PoorOver: JOHNSON CREEK
2 MI SW MT CARROLL, Carroll, IL
OIL VALLEY SCHOOL
PoorOver: JOHNSON CREEK
2 MI SE MT CARROLL, Carroll, IL
TR-147 (EAST ELM R
PoorOver: OTTER CREEK
6 MI E CHADWICK, Carroll, IL
ARGO FAY ROAD
PoorOver: STREAM
1.3 MI E JCT ILL 84, Carroll, IL
BROOKVILLE RD
PoorOver: ELKHORN CREEK
8.0 MI NW OF POLO, Carroll, IL
E MILLEDGEVILLE RT
PoorOver: ELKHORN CREEK
E EDGE MILLEDGEVILLE, Carroll, IL
EAGLE POINT RD
PoorOver: ELKHORN CREEK
2MI NE MILLEDGEVILLE, Carroll, IL
W WACKER RD
PoorOver: BR OF PLUM RIV
4 MI SW MT CARROLL, Carroll, 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.