US Bridges

Pock Lane over Duck Creek

Good

San Joaquin County, California · 0.1 MI S of Loomis Ave · Structure no. 29C0099

Built
1963
62 years old
Condition
Good
inspected March 2021
Type
Slab
Concrete Continuous
Length
65 ft
3 main spans
Daily traffic
1,688
2013 count
Owner
County
County Highway Agency

About this bridge

Pock Lane over Duck Creek is a concrete continuous slab carrying Pock Lane over Duck Creek in San Joaquin County, California. It was built in 1963, so it is 62 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 1,688 vehicles a day, roughly 1% of them trucks, projected to reach 2,254 by 2043. The structure is 65 ft (19.8 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPock Lane
CrossesDuck Creek
Location0.1 MI S of Loomis Ave
RouteCounty Highway 0
Coordinates37.92705, -121.24396
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating47.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length65 ft (19.8 m)
Longest span23 ft (7 m)
Deck width42 ft (12.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,688 (2013)
Projected traffic2,254 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Pock Lane over Duck Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Pock Lane over Duck 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 March 2021.

How much traffic does Pock Lane over Duck Creek carry?

About 1,688 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Pock Lane over Duck Creek?

The structure is 65 ft (19.8 m) long with a longest span of 23 ft (7 m) and a deck 42 ft wide.

Who owns Pock Lane over Duck Creek?

It is owned by the County Highway Agency.