US Bridges

SR 21 over Goose CR

Good

Lincoln County, Washington · 35.9 N JCT SR 28 · Structure no. 0003714C0000000

Built
1950
75 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
60 ft
3 main spans
Daily traffic
389
2023 count
Owner
State
State Highway Agency

About this bridge

SR 21 over Goose CR is a concrete continuous slab carrying SR 21 over Goose CR in Lincoln County, Washington. It was built in 1950, so it is 75 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 389 vehicles a day, roughly 10% of them trucks, projected to reach 428 by 2040. The structure is 60 ft (18.3 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 21
CrossesGoose CR
Location35.9 N JCT SR 28
RouteState Highway 21
Coordinates47.75864, -118.70953
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length60 ft (18.3 m)
Longest span22 ft (6.7 m)
Deck width34 ft (10.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic389 (2023)
Projected traffic428 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$798,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 21 over Goose CR built?

It was built in 1950, making it 75 years old in 2025.

What condition is SR 21 over Goose 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 April 2023.

How much traffic does SR 21 over Goose CR carry?

About 389 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR 21 over Goose CR?

The structure is 60 ft (18.3 m) long with a longest span of 22 ft (6.7 m) and a deck 34 ft wide.

Who owns SR 21 over Goose CR?

It is owned by the State Highway Agency.