Mariposa County, CA
109 public highway bridges
Mariposa County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Mariposa County, California contains 109 public highway bridges. Roughly 21.1% are rated “Good,” 67.9% “Fair,” and 11% “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 (109)
FORESTA ROAD
FairOver: MERCED RIVER
MP 48.2 on Hwy "140", the, Mariposa, CA
STATE ROUTE 140
FairOver: MILES CREEK
10-MPA-140-3.50, Mariposa, CA
ROUTE 132
FairOver: HAYWARD CREEK
10-MPA-132-R0.92, Mariposa, CA
STATE ROUTE 132
FairOver: HAYWARD CREEK
10-MPA-132-R2.68, Mariposa, CA
FERRY ROAD
FairOver: MAXWELL CREEK
IN COULTERVILLE, Mariposa, CA
WHITE ROCK ROAD
FairOver: DEADMAN CREEK
0.6 MI W WESTFALL RD, Mariposa, CA
EL PORTAL ROAD
FairOver: LOWER CASCADE CREEK OVER
5.0 miles east from El Po, Mariposa, CA
CHILNUALNA FALLS R
FairOver: CHILNUALNA CREEK
Vicinity of Wawona. Proc, Mariposa, CA
HOLTZEL ROAD
FairOver: DUTCH CREEK
2.6 MI FROM GREELEY RD, Mariposa, CA
VALLEY LOOP ROAD
FairOver: MERCED RIVER
7.9 miles east from El Po, Mariposa, CA
STATE ROUTE 140
FairOver: BEAR CREEK
10-MPA-140-34.08, Mariposa, CA
BEAR VALLEY ROAD
FairOver: BURNS CREEK
4.3 MI NE HORNITOS RD, Mariposa, CA
INCLINE ROAD
FairOver: DRY CREEK
1.3 MI WEST OF SR 140, Mariposa, CA
STATE ROUTE 140
FairOver: MERCED RIVER
10-MPA-140-42.10, Mariposa, CA
BEAR VALLEY ROAD
FairOver: BURNS CREEK
2.2 MI NE HORNITOS RD, Mariposa, CA
BUCK MEADOWS ROAD
FairOver: JORDAN CREEK
.1 MI N/O GREELEY HILL RD, Mariposa, CA
STATE ROUTE 140
FairOver: BEAR CREEK
10-MPA-140-28.33, Mariposa, CA
OLD TIOGA ROAD
FairOver: YOSEMITE CREEK
At Yosemite Creek Cmpgrnd, Mariposa, CA
STATE HIGHWAY 41
FairOver: SOUTH FORK MERCED RIVER
0.1 mile south from Range, Mariposa, CA
STATE ROUTE 140
FairOver: MILES CREEK
10-MPA-140-4.06, Mariposa, CA
EL PORTAL ROAD
FairOver: WILDCAT CREEK
4.9 miles east from El Po, Mariposa, CA
OAK ROAD
FairOver: BEAR CREEK
0.05 MI SW OF SR 140, Mariposa, CA
STATE ROUTE 49
FairOver: OLIVER CREEK
10-MPA-049-5.46, Mariposa, CA
STATE ROUTE 49
FairOver: PEG LEG CREEK
10-MPA-049-12.21, Mariposa, CA
OAK GROVE ROAD
GoodOver: STRIPED ROCK CREEK
0.2 MI N MADERA CO, Mariposa, CA
STATE ROUTE 140
GoodOver: BEAR CREEK
10-MPA-140-R31.29, Mariposa, CA
STATE ROUTE 140
GoodOver: MERCED RIVER
10-MPA-140-49.85, Mariposa, CA
STATE ROUTE 140
GoodOver: MILES CREEK
10-MPA-140-2.13, Mariposa, CA
INDIAN PEAK ROAD
GoodOver: WEST FK CHOWCHILLA RIVER
3.2 MI S OF SR 49, Mariposa, CA
INDIAN GULCH ROAD
GoodOver: BEAR CREEK
3.0 MI NW OF SR 140, Mariposa, CA
HORNITOS ROAD
GoodOver: CORBET CREEK
0.1 MI W OLD TOLL RD, Mariposa, CA
BEAR VALLEY ROAD
GoodOver: BURNS CREEK
3.8 MI NE HORNITOS RD, Mariposa, CA
STATE ROUTE 140
GoodOver: MARIPOSA CREEK
10-MPA-140-21.19, Mariposa, CA
STATE ROUTE 49
GoodOver: E FORK CHOWCHILLA RIVER
10-MPA-049-2.87, Mariposa, CA
INDIAN PEAK ROAD
GoodOver: M FORK CHOWCHILLA RIVER
2.5 MI N/O MADERA CO LINE, Mariposa, CA
FORESTA ROAD
GoodOver: CRANE CREEK
2.13 MILE SW OF SR 41, Mariposa, CA
DOGTOWN ROAD
GoodOver: BEAN CREEK
0.1 MI S BONDURANT RD, Mariposa, CA
BONDURANT MINE RD
GoodOver: BEAN CREEK
0.1 MI EAST DOG TOWN ROAD, Mariposa, CA
DARRAH ROAD
GoodOver: WEST FK CHOWCHILLA RIVER
0.7 MI N OF SR 49, Mariposa, CA
STATE ROUTE 140
GoodOver: CRANE CREEK
10-MPA-140-50.93, Mariposa, CA
STATE ROUTE 49
GoodOver: W FORK CHOWCHILLA RIVER
10-MPA-049-11.44, Mariposa, CA
STATE ROUTE 140
GoodOver: COLD CANYON CREEK
10-MPA-140-48.63, Mariposa, CA
GREELEY HILL ROAD
GoodOver: CUNEO CREEK
1.7 MI NE OF SR 49, Mariposa, CA
SHERLOCK ROAD
GoodOver: SAXON CREEK
1.5 MI W OF COLORADO RD, Mariposa, CA
STATE ROUTE 49
GoodOver: STOCKTON CREEK
10-MPA-049-17.20, Mariposa, CA
COLORADO ROAD
GoodOver: BEAR CREEK
STATE HWY 140, Mariposa, CA
STATE ROUTE 132
GoodOver: BLACKS CREEK
10-MPA-132-17.74, Mariposa, CA
WINDING ROAD
PoorOver: MIDDLE MIAMI CREEK
NO DATA ENTERED, Mariposa, CA
CHOWCHILLA ROAD
PoorOver: BIG CREEK
Approx. 2.5 miles SW of W, Mariposa, CA
STATE ROUTE 140
PoorOver: SOUTH FORK MERCED RIVER
10-MPA-140-43.22, Mariposa, CA
Read our methodology - how this data is sourced, computed, and verified.
Related
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.