US Bridges

Oakdale Road over Mustang Creek

Good

Merced County, California · 0.7 MI North of East Ave · Structure no. 39C0309

Built
1929
96 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
1,884
2008 count
Owner
County
County Highway Agency

About this bridge

Oakdale Road over Mustang Creek is a concrete slab carrying Oakdale Road over Mustang Creek in Merced County, California. It was built in 1929, so it is 96 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,884 vehicles a day, roughly 40% of them trucks, projected to reach 2,060 by 2041. The structure is 22 ft (6.7 m) long and 24 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesOakdale Road
CrossesMustang Creek
Location0.7 MI North of East Ave
RouteCounty Highway 0
CountyMerced County
StateCalifornia
Coordinates37.49958, -120.66417
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,884 (2008)
Projected traffic2,060 by 2041
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Mustang Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is Oakdale Road over Mustang Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Oakdale Road over Mustang Creek carry?

About 1,884 vehicles per day (2008 count), of which roughly 40% are trucks.

How long is Oakdale Road over Mustang Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns Oakdale Road over Mustang Creek?

It is owned by the County Highway Agency.