Merced County, CA

532 public highway bridges

Merced County Bridge Snapshot

Merced County, California contains 532 public highway bridges in the FHWA National Bridge Inventory. Roughly 29.1% are rated “Good,” 52.4% “Fair,” 6.2% “Poor,” and 6.2% 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.

532
Total Bridges
29.1%
Good
6.2%
Poor
6.2%
Structurally Deficient

Condition Distribution

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

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial