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 152

Fair

Over: SAN JUAN CANAL

10-MER-152-R32.82, Merced, CA

Built 1969 Load: 32.4 t ADT: 16,850

STATE ROUTE 165

Fair

Over: SANTA FE CANAL

10-MER-165-12.08, Merced, CA

Built 1958 Load: 32.4 t ADT: 1,800

STATE ROUTE 99 SB

Fair

Over: COLLIER ROAD

10-MER-099-R31.93, Merced, CA

Built 1997 Load: 32.4 t ADT: 32,000

STATE ROUTE 99 NB

Fair

Over: COLLIER ROAD

10-MER-099-R31.93, Merced, CA

Built 1997 Load: 32.4 t ADT: 32,000

STATE ROUTE 99 SB

Fair

Over: DEADMAN CREEK

10-MER-099-5.22, Merced, CA

Built 2015 Load: 32.4 t ADT: 19,500

STATE ROUTE 99 NB

Fair

Over: DEADMAN CREEK

10-MER-099-5.22, Merced, CA

Built 2015 Load: 32.4 t ADT: 19,500

STATE ROUTE 99 SB

Fair

Over: DUCK SLOUGH

10-MER-099-9.43, Merced, CA

Built 2015 Load: 32.4 t ADT: 19,500

STATE ROUTE 99 NB

Fair

Over: DUCK SLOUGH

10-MER-099-9.43, Merced, CA

Built 2015 Load: 32.4 t ADT: 19,500

STATE ROUTE 99 SB

Fair

Over: DUCK SLOUGH OVERFLOW

10-MER-099-9.86, Merced, CA

Built 2015 Load: 32.4 t ADT: 19,500

STATE ROUTE 99 NB

Fair

Over: DUCK SLOUGH OVERFLOW

10-MER-099-9.86, Merced, CA

Built 2015 Load: 32.4 t ADT: 19,500

STATE ROUTE 59

Fair

Over: MERCED RIVER

10-MER-059-27.15, Merced, CA

Built 2009 Load: 32.4 t ADT: 1,425

STATE ROUTE 99 SB

Fair

Over: CANAL CREEK

10-MER-099-20.17, Merced, CA

Built 2015 Load: 32.4 t ADT: 19,500

STATE ROUTE 99 NB

Fair

Over: CANAL CREEK

10-MER-099-20.19, Merced, CA

Built 2015 Load: 32.4 t ADT: 19,500

ST RTE 99NB ONRAMP

Fair

Over: CANAL CREEK

10-MER-099-20.21, Merced, CA

Built 2015 Load: 32.4 t ADT: 10,000

RIVER ROAD

Fair

Over: SAN JOAQUIN RIVER OVERFL

0.35 MI E STANISLAUS CO, Merced, CA

Built 1986 Load: 32.4 t ADT: 4,660

SHANKS ROAD

Fair

Over: UP RR

AT SR 99 IN DELHI, Merced, CA

Built 1980 Load: 32.4 t ADT: 491

INGOMAR GRADE

Fair

Over: LOS BANOS CREEK

0.15 MI NW BADGER FLAT R, Merced, CA

Built 1988 Load: 32.4 t ADT: 4,890

HENRY MILLER AVE

Fair

Over: CCID MAIN CANAL

2.0 MI E I-5, Merced, CA

Built 1996 Load: 32.4 t ADT: 2,835

HENRY MILLER AVE

Fair

Over: SAN JOAQUIN-KNG RV CANAL

0.3 MI EAST OF I-5, Merced, CA

Built 1996 Load: 32.4 t ADT: 3,020

DICKENSON FERRY RD

Fair

Over: EL CAPITAN CANAL

AT THORNTON ROAD, Merced, CA

Built 1979 Load: 32.4 t ADT: 1,200

PLAINSBURG ROAD

Fair

Over: DEADMAN CREEK

1.2 MI S LE GRAND RD, Merced, CA

Built 1955 Load: 32.4 t ADT: 1,092

MCKEE ROAD

Fair

Over: BEAR CREEK

0.5 MI S OF E. OLIVE, Merced, CA

Built 1988 Load: 32.4 t ADT: 5,391

SHAFFER ROAD

Fair

Over: ESCALADIAN CANAL

0.3 MI S SHAW AVE, Merced, CA

Built 1991 Load: 32.4 t ADT: 900

CORTEZ ROAD

Fair

Over: HIGH LINE CANAL

SOUTH AVE, Merced, CA

Built 1940 Load: 32.4 t ADT: 727

FRANKLIN ROAD

Fair

Over: BLACK RASCAL CREEK

0.7 MI N OF ROUTE 140, Merced, CA

Built 1989 Load: 32.4 t ADT: 1,761

ARBOLEDA DRIVE

Fair

Over: BEAR CREEK

SOUTH BEAR CREEK DRIVE, Merced, CA

Built 1987 Load: 32.4 t ADT: 4,312

GUN CLUB RD

Fair

Over: CCID MAIN CANAL

0.3 MI E OF SR 33, Merced, CA

Built 1985 Load: 32.4 t ADT: 950

BRITTO ROAD

Fair

Over: ARROYO CANAL

0.5 MI S LAGUNA RD, Merced, CA

Built 1986 Load: 32.4 t ADT: 170

REILLY ROAD

Fair

Over: OWENS CREEK

0.3 MI E TYLER ROAD, Merced, CA

Built 1985 Load: 32.4 t ADT: 170

CHARLESTON ROAD

Fair

Over: OUTSIDE CANAL

0.5 MI E OF S.H. 165, Merced, CA

Built 1985 Load: 32.4 t ADT: 120

VAN CLIEF ROAD

Fair

Over: EAST SIDE CANAL

0.25 MI. N. OF THIRD AVE., Merced, CA

Built 2001 Load: 32.4 t ADT: 300

FRANKLIN ROAD

Fair

Over: BEAR CREEK

0.6 MI N OF ROUTE 140, Merced, CA

Built 1989 Load: 32.4 t ADT: 1,761

BUCHANAN HOLLOW RD

Fair

Over: DUTCHMAN CREEK #2

1.1 MI E WHITE ROCK ROAD, Merced, CA

Built 1930 Load: 32.4 t ADT: 147

WHITE ROCK ROAD

Fair

Over: DEADMAN CREEK

1.5 MI N BUCHANAN HLW RD, Merced, CA

Built 1910 Load: 32.4 t ADT: 85

PALM AVENUE

Fair

Over: ARROYO CANAL

BARCELLOS ROAD, Merced, CA

Built 1976 Load: 32.4 t ADT: 1,610

ARROYA AVENUE

Fair

Over: ARROYO CANAL

0.7 MI S OF S.R. 152, Merced, CA

Built 1980 Load: 32.4 t ADT: 170

DICKENSON FERRY RD

Fair

Over: DEANE CANAL

GURR ROAD, Merced, CA

Built 2001 Load: 32.4 t ADT: 800

BLISS ROAD

Fair

Over: DUTCHMAN CREEK

0.2 MI S SANDY MUSH ROAD, Merced, CA

Built 1980 Load: 32.4 t ADT: 100

HAMMATT AVENUE

Fair

Over: UP RR TRACKS

0.2 MI SOUTH OF SR 99, Merced, CA

Built 1997 Load: 32.4 t ADT: 2,334

OAK AVENUE

Fair

Over: BEAR CREEK

0.6 MI E QUINLEY AVENUE, Merced, CA

Built 1993 Load: 32.4 t ADT: 100

LONE TREE ROAD

Fair

Over: MARIPOSA CREEK

1.5 MI N SANDYMUSH ROAD, Merced, CA

Built 1993 Load: 32.4 t ADT: 75

SULLIVAN ROAD

Fair

Over: CCID MAIN CANAL

50 FT E OF SR140 & SR33, Merced, CA

Built 1996 Load: 32.4 t ADT: 1,101

OAKDALE ROAD

Fair

Over: MERCED RIVER

0.9 MI NW OF SHAFFER RD, Merced, CA

Built 2003 Load: 32.4 t ADT: 667

COZZI AVENUE

Fair

Over: ARROYO CANAL

1.0 MI S OF SR 152, Merced, CA

Built 1998 Load: 32.4 t ADT: 160

ALMOND AVENUE

Fair

Over: LIVINGSTON CANAL

VINE AVENUE, Merced, CA

Built 2007 Load: 32.4 t ADT: 1,130

MARINO WAY

Fair

Over: DUCK SLOUGH

0.1 MI NW OF MARIPOSA WY, Merced, CA

Built 2015 Load: 32.4 t ADT: 1,000

MARINO WAY

Fair

Over: DUCK SLOUGH OVERFLOW

0.5 MI NW OF MARIPOSA WY, Merced, CA

Built 2015 Load: 32.4 t ADT: 1,000

ALFALFA AVE

Fair

Over: MILES CREEK

0.7 MI S OF EAST.MISSION, Merced, CA

Built 2007 Load: 32.4 t ADT: 889

COFFEE (ALFALFA)

Fair

Over: MILES CREEK OVERFLOW

0.5 MI S OF EAST.MISSION, Merced, CA

Built 2007 Load: 32.4 t ADT: 899

COFFEE ST

Fair

Over: MILES CREEK OVERFLOW

0.1 MI S OF EAST.MISSION, Merced, CA

Built 2007 Load: 32.4 t ADT: 899
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.