US Bridges

Depot RD over Fishtrap CR

Good

Whatcom County, Washington · 0.6 N Front ST · Structure no. 086044000000000

Built
1992
33 years old
Condition
Good
inspected January 2023
Type
Frame
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
6,187
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Depot RD over Fishtrap CR is a prestressed concrete frame carrying Depot RD over Fishtrap CR in Whatcom County, Washington. It was built in 1992, so it is 33 years old, younger 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 6,187 vehicles a day, roughly 10% of them trucks, projected to reach 8,000 by 2045. The structure is 37 ft (11.3 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDepot RD
CrossesFishtrap CR
Location0.6 N Front ST
RouteCity Street 710
Coordinates48.94928, -122.4523
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width46 ft (13.9 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,187 (2023)
Projected traffic8,000 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Depot RD over Fishtrap CR built?

It was built in 1992, making it 33 years old in 2025.

What condition is Depot RD over Fishtrap 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 Depot RD over Fishtrap CR carry?

About 6,187 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Depot RD over Fishtrap CR?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 46 ft wide.

Who owns Depot RD over Fishtrap CR?

It is owned by the City or Municipal Highway Agency.