US Bridges

Van Allen RD over Lone Tree Creek

Fair

San Joaquin County, California · 0.5 MI S of Lone Tree RD · Structure no. 29C0315

Built
1928
97 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
573
2013 count
Owner
County
County Highway Agency

About this bridge

Van Allen RD over Lone Tree Creek is a concrete continuous slab carrying Van Allen RD over Lone Tree Creek in San Joaquin County, California. It was built in 1928, so it is 97 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 573 vehicles a day, roughly 5% of them trucks, projected to reach 555 by 2046. The structure is 25 ft (7.6 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesVan Allen RD
CrossesLone Tree Creek
Location0.5 MI S of Lone Tree RD
RouteCounty Highway 0
Coordinates37.82049, -121.05276
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionNovember 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating23.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic573 (2013)
Projected traffic555 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Van Allen RD over Lone Tree Creek built?

It was built in 1928, making it 97 years old in 2025.

What condition is Van Allen RD over Lone Tree 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 November 2024.

How much traffic does Van Allen RD over Lone Tree Creek carry?

About 573 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Van Allen RD over Lone Tree Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns Van Allen RD over Lone Tree Creek?

It is owned by the County Highway Agency.