US Bridges

Laughlin Road over Altamont Creek

Fair

Alameda County, California · 0.1 KM N of Foxtail DR · Structure no. 33C0414

Built
1998
27 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
5,520
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

Laughlin Road over Altamont Creek is a concrete culvert carrying Laughlin Road over Altamont Creek in Alameda County, California. It was built in 1998, so it is 27 years old, younger 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 6 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 5,520 vehicles a day, roughly 10% of them trucks, projected to reach 6,072 by 2041. The structure is 29 ft (8.8 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLaughlin Road
CrossesAltamont Creek
Location0.1 KM N of Foxtail DR
RouteCounty Highway 0
CountyAlameda County
StateCalifornia
Coordinates37.72197, -121.71057
Functional classUrban 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width56 ft (17.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,520 (2009)
Projected traffic6,072 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Laughlin Road over Altamont Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Laughlin Road over Altamont 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 2023.

How much traffic does Laughlin Road over Altamont Creek carry?

About 5,520 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is Laughlin Road over Altamont Creek?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 56 ft wide.

Who owns Laughlin Road over Altamont Creek?

It is owned by the City or Municipal Highway Agency.