US Bridges

Road over Warm Creek

Fair

Whatcom County, Washington · No Data Entered · Structure no. 060501000001415

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Frame
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
25
1996 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Warm Creek is a concrete continuous frame carrying Road over Warm Creek in Whatcom County, Washington. It was built in 1968, so it is 57 years old, older than the Washington average of 49.8 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 25 vehicles a day, projected to reach 37 by 2045. The structure is 110 ft (33.5 m) long and 30 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesRoad
CrossesWarm Creek
LocationNo Data Entered
RouteFederal Lands Road 38000
Coordinates48.75551, -121.97548
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45.1 US tons
Inventory rating28 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length110 ft (33.5 m)
Longest span75 ft (22.9 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (1996)
Projected traffic37 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road over Warm Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Road over Warm 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 September 2024.

How much traffic does Road over Warm Creek carry?

About 25 vehicles per day (1996 count).

How long is Road over Warm Creek?

The structure is 110 ft (33.5 m) long with a longest span of 75 ft (22.9 m) and a deck 30 ft wide.

Who owns Road over Warm Creek?

It is owned by the U.S. Forest Service.