US Bridges

Laughlin RD over Fife Creek

Fair

Sonoma County, California · 0.1 MI W Armstrong Wds RD · Structure no. 20C0044

Built
1956
69 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
602
2011 count
Owner
County
County Highway Agency

About this bridge

Laughlin RD over Fife Creek is a concrete slab carrying Laughlin RD over Fife Creek in Sonoma County, California. It was built in 1956, so it is 69 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 602 vehicles a day, roughly 2% of them trucks, projected to reach 384 by 2042. The structure is 33 ft (10.1 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesLaughlin RD
CrossesFife Creek
Location0.1 MI W Armstrong Wds RD
RouteCounty Highway 0
Coordinates38.51277, -122.99655
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.9 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span32 ft (9.7 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic602 (2011)
Projected traffic384 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Laughlin RD over Fife Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is Laughlin RD over Fife 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 March 2024.

How much traffic does Laughlin RD over Fife Creek carry?

About 602 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Laughlin RD over Fife Creek?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.7 m) and a deck 29 ft wide.

Who owns Laughlin RD over Fife Creek?

It is owned by the County Highway Agency.