Merced County, CA

532 public highway bridges

Merced County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Merced County, California contains 532 public highway bridges. Roughly 29.1% are rated “Good,” 52.4% “Fair,” and 6.2% “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.

532
Total Bridges
29.1%
Good
52.4%
Fair
6.2%
Poor Condition

Condition Distribution

Good
29.1% (155)
Fair
52.4% (279)
Poor
6.2% (33)

All Bridges (532)

STATE ROUTE 33

Fair

Over: POSO SLOUGH

10-MER-033-4.37, Merced, CA

Built 1962 Load: 25.6 t ADT: 5,200

MINTURN ROAD

Fair

Over: N BRANCH DEADMAN CREEK

0.8 MI N BUCHAN HOLLOW RD, Merced, CA

Built 1974 Load: 25.6 t ADT: 1,540

OLIVE AVE

Fair

Over: WASTEWAY

0.9 MI W ARBOLEDA DR, Merced, CA

Built 1960 Load: 25.6 t ADT: 1,945

STATE ROUTE 59

Fair

Over: OWENS CREEK

10-MER-059-11.37, Merced, CA

Built 1925 Load: 26.2 t ADT: 7,700

TAGLIO ROAD

Fair

Over: DELTA-MENDOTA CANAL

0.1 MI W ORCHARD ROAD, Merced, CA

Built 1956 Load: 26.2 t ADT: 150

STATE ROUTE 140

Fair

Over: OUTSIDE CANAL

10-MER-140-2.30, Merced, CA

Built 1968 Load: 26.6 t ADT: 1,175

ELLIOT AVENUE

Fair

Over: CANAL CREEK

0.9 MI E BUHACH RD, Merced, CA

Built 1973 Load: 26.6 t ADT: 257

SHAW AVENUE

Fair

Over: ESCALADIAN CANAL

0.25 MI E SHAFFER RD, Merced, CA

Built 1964 Load: 26.6 t ADT: 100

STATE ROUTE 165

Fair

Over: SAN JOAQUIN RIVER OVRFLO

10-MER-165-25.77, Merced, CA

Built 1959 Load: 26.9 t ADT: 5,100

MARSHALL RD

Fair

Over: OUTSIDE CANAL

WEST OF SR 33, Merced, CA

Built 1965 Load: 26.9 t ADT: 50

CHILDS AVE

Fair

Over: OWENS CREEK

0.1 MI W CUNNINGHAM RD, Merced, CA

Built 1965 Load: 27.2 t ADT: 207

BUTTS ROAD

Fair

Over: CALIFORNIA AQUEDUCT

0.4 MI WEST OF I-5, Merced, CA

Built 1968 Load: 27.2 t ADT: 50

STATE ROUTE 99 SB

Fair

Over: ASHE DRAIN

10-MER-099-18.59, Merced, CA

Built 1947 Load: 27.5 t ADT: 28,000

STATE ROUTE 99 NB

Fair

Over: ASHE DRAIN

10-MER-099-18.59, Merced, CA

Built 1947 Load: 27.5 t ADT: 28,000

FISHER ROAD

Fair

Over: ESCALADIAN CANAL

YOUD ROAD, Merced, CA

Built 1960 Load: 28.2 t ADT: 421

OAK AVENUE

Fair

Over: BLACK RASCAL CREEK

0.3 MI E APPLEGATE ROAD, Merced, CA

Built 1960 Load: 28.5 t ADT: 200

VOLTA ROAD

Fair

Over: CCID MAIN CANAL

AT RAMOS ROAD, Merced, CA

Built 1973 Load: 28.5 t ADT: 1,280

HENRY MILLER AVE

Fair

Over: SANTA FE CANAL

0.3 MI EAST OF SR 165, Merced, CA

Built 1970 Load: 28.5 t ADT: 2,310

ALMOND DRIVE

Fair

Over: OUTSIDE CANAL

0.4 MI WEST OF SR 165, Merced, CA

Built 1968 Load: 28.5 t ADT: 334

CHILDS AVE

Fair

Over: MILES CREEK

0.1 MI W OF IVETT RD, Merced, CA

Built 1982 Load: 29.2 t ADT: 1,231

FAHEY RD

Fair

Over: CCID MAIN CANAL

2.0 MI E SR 33, Merced, CA

Built 1960 Load: 29.2 t ADT: 95

STATE ROUTE 165

Fair

Over: MERCED RIVER

10-MER-165-30.29, Merced, CA

Built 1920 Load: 29.5 t ADT: 7,750

VOLTA ROAD

Fair

Over: DELTA-MENDOTA CANAL

0.4 MI S PIONEER RD, Merced, CA

Built 1945 Load: 29.5 t ADT: 158

HORNITOS ROAD

Fair

Over: MERCED RIVER

0.5 MI E MERCED FALLS RD, Merced, CA

Built 1973 Load: 29.8 t ADT: 300

STATE ROUTE 99 NB

Fair

Over: WEBBER CANAL

10-MER-099-19.49, Merced, CA

Built 1947 Load: 30.1 t ADT: 28,000

STATE ROUTE 152 WB

Fair

Over: HIGHLINE CANAL

10-MER-152-15.36, Merced, CA

Built 1955 Load: 30.5 t ADT: 12,425

STATE ROUTE 152 EB

Fair

Over: HIGHLINE CANAL

10-MER-152-15.36, Merced, CA

Built 1955 Load: 30.5 t ADT: 12,425

BUCHANAN HOLLOW RD

Fair

Over: DUTCHMAN CREEK

0.6 MI E FRESNO RD, Merced, CA

Built 1965 Load: 30.5 t ADT: 155

JORGENSEN ROAD

Fair

Over: OUTSIDE CANAL

0.5 MI W WHITWORTH ROAD, Merced, CA

Built 1950 Load: 30.5 t ADT: 103

HENRY MILLER AVE

Fair

Over: SAN LUIS CANAL

0.75 MI E OF SR 165, Merced, CA

Built 1971 Load: 30.5 t ADT: 2,310

SR 33 (JENSEN AVE)

Fair

Over: CALIFORNIA AQUEDUCT

10-MER-033-R14.41, Merced, CA

Built 1965 Load: 30.8 t ADT: 8,200

ORCHARD ROAD

Fair

Over: GARZAS CREEK

0.7 MI S OF S.H. 140, Merced, CA

Built 1969 Load: 30.8 t ADT: 745

LEOTA STREET

Fair

Over: SAN LUIS WASTEWAY

0.1 MI N HENRY MILLER AVE, Merced, CA

Built 1968 Load: 30.8 t ADT: 66

SNYDER ROAD

Fair

Over: OUTSIDE CANAL

0.7 MI E ORCHARD LANE, Merced, CA

Built 1965 Load: 31.4 t ADT: 200

INDIANA RD

Fair

Over: SAN JOAQUIN RIVER

AT WASHINGTON RD, Merced, CA

Built 1955 Load: 31.4 t ADT: 120

SUNSET AVENUE

Fair

Over: LOS BANOS CREEK

0.9 MI W ORTIGALITA RD, Merced, CA

Built 1965 Load: 31.8 t ADT: 1,960

BRANNON AVE

Fair

Over: COLONY MAIN CANAL

0.55 MI N SHAIN AVE, Merced, CA

Built 1966 Load: 32.1 t ADT: 1,000

Eagle Field Road

Fair

Over: San Luis Canal

0.25 mi E Pole Line Road, Merced, CA

Built 1968 Load: 32.4 t ADT: 200

STATE ROUTE 99 NB

Fair

Over: MERCED RIVER

10-MER-099-R30.97, Merced, CA

Built 1999 Load: 32.4 t ADT: 28,000

STATE ROUTE 152 EB

Fair

Over: FRESNO RIVER

10-MER-152-R37.71, Merced, CA

Built 1939 Load: 32.4 t ADT: 8,425

STATE ROUTE 152 EB

Fair

Over: SAN JOAQUIN RIVER

10-MER-152-R37.40, Merced, CA

Built 1997 Load: 32.4 t ADT: 8,425

STATE ROUTE 152 WB

Fair

Over: SANTA RITA CANAL

10-MER-152-R34.50, Merced, CA

Built 1969 Load: 32.4 t ADT: 8,425

STATE ROUTE 59

Fair

Over: EDENDALE CREEK

10-MER-059-24.09, Merced, CA

Built 1989 Load: 32.4 t ADT: 1,425

STATE ROUTE 59

Fair

Over: CANAL CREEK

10-MER-059-26.05, Merced, CA

Built 1986 Load: 32.4 t ADT: 1,425

STATE ROUTE 140

Fair

Over: NORTH BRANCH MUD SLOUGH

10-MER-140-11.32, Merced, CA

Built 1992 Load: 32.4 t ADT: 3,650

STATE ROUTE 140

Fair

Over: BLACK RASCAL CREEK

10-MER-140-31.60, Merced, CA

Built 1994 Load: 32.4 t ADT: 6,000

STATE ROUTE 152 WB

Fair

Over: SAN LUIS DAM FOREBAY

10-MER-152-R10.05, Merced, CA

Built 1964 Load: 32.4 t ADT: 14,375

STATE ROUTE 152 EB

Fair

Over: SAN LUIS DAM FOREBAY

10-MER-152-R10.05, Merced, CA

Built 1964 Load: 32.4 t ADT: 14,375

STATE ROUTE 99 SB

Fair

Over: EL CAPITAN WAY

10-MER-099-R34.05, Merced, CA

Built 1980 Load: 32.4 t ADT: 37,000

STATE ROUTE 99 NB

Fair

Over: EL CAPITAN WAY

10-MER-099-R34.05, Merced, CA

Built 1980 Load: 32.4 t ADT: 37,000
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.