US Bridges

Oakdale Road over Canal Creek

Fair

Merced County, California · 0.9 MI E Amsterdam RD · Structure no. 39C0155

Built
1940
85 years old, rebuilt 1988
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
51 ft
3 main spans
Daily traffic
477
1990 count
Owner
County
County Highway Agency

About this bridge

Oakdale Road over Canal Creek is a concrete continuous slab carrying Oakdale Road over Canal Creek in Merced County, California. It was built in 1940 and reconstructed in 1988, so it is 85 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 477 vehicles a day, roughly 2% of them trucks, projected to reach 1,113 by 2047. The structure is 51 ft (15.4 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOakdale Road
CrossesCanal Creek
Location0.9 MI E Amsterdam RD
RouteCounty Highway 0
Coordinates37.42447, -120.52876
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length51 ft (15.4 m)
Longest span17 ft (5.2 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic477 (1990)
Projected traffic1,113 by 2047
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Oakdale Road over Canal Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1988.

What condition is Oakdale Road over Canal Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does Oakdale Road over Canal Creek carry?

About 477 vehicles per day (1990 count), of which roughly 2% are trucks.

How long is Oakdale Road over Canal Creek?

The structure is 51 ft (15.4 m) long with a longest span of 17 ft (5.2 m) and a deck 36 ft wide.

Who owns Oakdale Road over Canal Creek?

It is owned by the County Highway Agency.