US Bridges

Murphy Road over S Br S Littlejohns Creek

Fair

San Joaquin County, California · 0.2 MI S of Mariposa RD · Structure no. 29C0327

Built
1926
99 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
51 ft
3 main spans
Daily traffic
520
2017 count
Owner
County
County Highway Agency

About this bridge

Murphy Road over S Br S Littlejohns Creek is a concrete continuous slab carrying Murphy Road over S Br S Littlejohns Creek in San Joaquin County, California. It was built in 1926, so it is 99 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 520 vehicles a day, roughly 5% of them trucks, projected to reach 655 by 2045. The structure is 51 ft (15.5 m) long and 22 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesMurphy Road
CrossesS Br S Littlejohns Creek
Location0.2 MI S of Mariposa RD
RouteCounty Highway 0
CountySan Joaquin County
StateCalifornia
Coordinates37.88898, -121.11033
Functional classRural Minor 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 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length51 ft (15.5 m)
Longest span17 ft (5.2 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (2017)
Projected traffic655 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Murphy Road over S Br S Littlejohns Creek built?

It was built in 1926, making it 99 years old in 2025.

What condition is Murphy Road over S Br S Littlejohns 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 Murphy Road over S Br S Littlejohns Creek carry?

About 520 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Murphy Road over S Br S Littlejohns Creek?

The structure is 51 ft (15.5 m) long with a longest span of 17 ft (5.2 m) and a deck 22 ft wide.

Who owns Murphy Road over S Br S Littlejohns Creek?

It is owned by the County Highway Agency.