Mariposa County, CA
109 public highway bridges
Mariposa County Bridge Snapshot
Mariposa County, California contains 109 public highway bridges in the FHWA National Bridge Inventory. Roughly 21.1% are rated “Good,” 67.9% “Fair,” 11% “Poor,” and 11% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.
Inspections in CA are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.
Source: FHWA National Bridge Inventory. See methodology for full definitions.
Condition Distribution
All Bridges (109)
NO DATA ENTERED
FairOver: NO DATA ENTERED
NO DATA ENTERED, Mariposa, CA
DOGTOWN ROAD
FairOver: MAXWELL CREEK
1.6 MI E GREELY HILL R, Mariposa, CA
18058: MERCED RIVE
FairOver: Merced River
8 mi N of Mariposa CA, Mariposa, CA
BULL CREEK ROAD
FairOver: BULL CREEK
4.5 MI SE OLD YOSEMITE RD, Mariposa, CA
STATE ROUTE 49
FairOver: DELONG CREEK
10-MPA-049-6.18, Mariposa, CA
OLD HIGHWAY ROAD
FairOver: AGUA FRIA CREEK
4.7 MI SW OF SR 49, Mariposa, CA
WHITE ROCK ROAD
FairOver: MARIPOSA CREEK
1.6 MI S/O OLD HWY, Mariposa, CA
TRIANGLE ROAD
FairOver: SUMMIT CREEK
STATE ROUTE 140, Mariposa, CA
TRAIL
FairOver: TENAYA CREEK
Approximately 0.4 miles n, Mariposa, CA
HORNITOS ROAD
FairOver: BEAR CREEK
3.6 MI N OF SR 140, Mariposa, CA
SCHOOL HOUSE ROAD
FairOver: OWENS CREEK
0.9 MI SE OF SR 140, Mariposa, CA
OLD HIGHWAY
FairOver: OWENS CREEK
0.3 MI EAST OF SR 140, Mariposa, CA
INCLINE ROAD
FairOver: MOSS CANYON
0.25 MI WEST OF SR 140, Mariposa, CA
VALLEY LOOP ROAD
FairOver: YOSEMITE CREEK
In Yosemite Valley, on tw, Mariposa, CA
BUCK MEADOWS ROAD
FairOver: MOORE CREEK
1.2 MI N/O GREELEY HILL R, Mariposa, CA
DOGTOWN ROAD
FairOver: MAXWELL CREEK
0.2 MI E/O GREELEY HILL R, Mariposa, CA
HAPPY ISLES LOOP
FairOver: MERCED RIVER
Approximately 500' downst, Mariposa, CA
EL PORTAL ROAD
FairOver: EAST FORK CASCADE CREEK
5.1 miles east from El Po, Mariposa, CA
STATE ROUTE 49
FairOver: MAXWELL CREEK
10-MPA-049-44.62, Mariposa, CA
BIG OAK FLAT ROAD
FairOver: TAMARACK CREEK
7.0 miles east from El Po, Mariposa, CA
STATE ROUTE 49
FairOver: MARIPOSA CREEK
10-MPA-049-19.61, Mariposa, CA
STATE ROUTE 49
FairOver: MERCED RIVER
10-MPA-049-R34.35, Mariposa, CA
BIG OAK FLAT ROAD
FairOver: CASCADE CREEK
7.0 miles east from El Po, Mariposa, CA
STATE ROUTE 140
FairOver: MILES CREEK
10-MPA-140-0.79, Mariposa, CA
GLACIER POINT ROAD
FairOver: BRIDALVEIL CREEK
8.8 miles east from El Po, Mariposa, CA
BIG OAK FLAT ROAD
FairOver: WILDCAT CREEK
7.0 miles east from El Po, Mariposa, CA
OLD HWY
FairOver: MARIPOSA CREEK
10-MPA-049-17.25, Mariposa, CA
HORNITOS ROAD
FairOver: TURNER CREEK
0.1 MI E INDIAN GULCH RD, Mariposa, CA
HORNITOS ROAD
FairOver: ELDORADO CREEK
0.4 MI SE BEAR VALLEY RD, Mariposa, CA
HORNITOS ROAD
FairOver: BURNS CREEK
0.05 MI W BEAR VALLEY RD, Mariposa, CA
GREELEY HILL ROAD
FairOver: BEAN CREEK
.3 MI NE/O HOLTZEL RD, Mariposa, CA
GREELEY HILL ROAD
FairOver: SMITH CREEK
1.7 MI NE/O HOLTZEL RD, Mariposa, CA
BEAR VALLEY ROAD
FairOver: NO NAME CREEK
4.4 MI NE HORNITOS RD, Mariposa, CA
BEAR VALLEY ROAD
FairOver: BURNS CREEK
5.3 MI NE HORNITOS RD, Mariposa, CA
BUCKEYE ROAD
FairOver: BUCKEYE CREEK
0.6 MI SE OLD HIGHWAY RD, Mariposa, CA
STATE ROUTE 140
FairOver: MILES CREEK
10-MPA-140-3.81, Mariposa, CA
FORESTA ROAD
FairOver: CRANE CREEK
3.6 MI W NEW BIG OAT FL R, Mariposa, CA
WHITE ROCK ROAD
FairOver: DEADMAN CREEK
0.05 MI E WESTFALL RD, Mariposa, CA
VALLEY LOOP ROAD
FairOver: MERCED RIVER
14.2 miles east from El P, Mariposa, CA
EL CAPITAN CROSSOV
FairOver: MERCED RIVER
10.3 miles east from El P, Mariposa, CA
OLD YOSEMITE ROAD
FairOver: NORTH FORK MERCED RIVER
1.3 MI EAST JORDAN CRK RD, Mariposa, CA
STATE ROUTE 140
FairOver: MILES CREEK
10-MPA-140-3.46, Mariposa, CA
STATE ROUTE 41
FairOver: BIG CREEK
06-MPA-041-3.48, Mariposa, CA
BEN HUR ROAD
FairOver: CHAPMAN CREEK
3.5 MI N PRESTON ROAD, Mariposa, CA
SLAUGHTERHOUSE RD
FairOver: STOCKTON CREEK
0.2 MI EAST OF SR 140, Mariposa, CA
STATE ROUTE 140
FairOver: MERCED RIVER
10-MPA-140-42.50, Mariposa, CA
STATE ROUTE 140
FairOver: MILES CREEK
10-MPA-140-2.89, Mariposa, CA
SENTINEL BRIDGE RO
FairOver: MERCED RIVER
13.2 miles east from El P, Mariposa, CA
CURRY STABLES ROAD
FairOver: MERCED RIVER
14.2 miles E from El Port, Mariposa, CA
TIOGA ROAD
FairOver: YOSEMITE CREEK
7.0 miles east of El Port, Mariposa, CA
Read our methodology — how this data is sourced, computed, and verified.
Related
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |