US Bridges

Laurel RD W over Ten Mile CR

Good

Whatcom County, Washington · 0.3 E.Of N.W. Rd. · Structure no. 082982000000000

Built
1933
92 years old, rebuilt 1953
Condition
Good
inspected January 2023
Type
Slab
Concrete
Length
61 ft
3 main spans
Daily traffic
961
2021 count
Owner
County
County Highway Agency

About this bridge

Laurel RD W over Ten Mile CR is a concrete slab carrying Laurel RD W over Ten Mile CR in Whatcom County, Washington. It was built in 1933 and reconstructed in 1953, so it is 92 years old, older than the Washington average of 49.8 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 961 vehicles a day, roughly 12% of them trucks, projected to reach 1,300 by 2043. The structure is 61 ft (18.6 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLaurel RD W
CrossesTen Mile CR
Location0.3 E.Of N.W. Rd.
RouteCounty Highway 70160
Coordinates48.85523, -122.53435
Functional classRural 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 protection7 GoodSome minor problems.
Last inspectionJanuary 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length61 ft (18.6 m)
Longest span22 ft (6.7 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic961 (2021)
Projected traffic1,300 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Laurel RD W over Ten Mile CR built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1953.

What condition is Laurel RD W over Ten Mile CR 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 January 2023.

How much traffic does Laurel RD W over Ten Mile CR carry?

About 961 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Laurel RD W over Ten Mile CR?

The structure is 61 ft (18.6 m) long with a longest span of 22 ft (6.7 m) and a deck 26 ft wide.

Who owns Laurel RD W over Ten Mile CR?

It is owned by the County Highway Agency.