US Bridges

SR 28 over Crab Creek

Good

Lincoln County, Washington · 0.2 E JCT SR 21 · Structure no. 0001812A0000000

Built
1934
91 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
1,893
2023 count
Owner
State
State Highway Agency

About this bridge

SR 28 over Crab Creek is a concrete continuous slab carrying SR 28 over Crab Creek in Lincoln County, Washington. It was built in 1934, so it is 91 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 1,893 vehicles a day, roughly 9% of them trucks, projected to reach 2,241 by 2039. The structure is 107 ft (32.6 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 28
CrossesCrab Creek
Location0.2 E JCT SR 21
RouteState Highway 28
Coordinates47.33314, -118.6875
Functional classRural Minor Arterial

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
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 rating51 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length107 ft (32.6 m)
Longest span35 ft (10.7 m)
Deck width35 ft (10.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,893 (2023)
Projected traffic2,241 by 2039
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.9 mi (16 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$3.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 28 over Crab Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is SR 28 over Crab Creek 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 August 2024.

How much traffic does SR 28 over Crab Creek carry?

About 1,893 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 28 over Crab Creek?

The structure is 107 ft (32.6 m) long with a longest span of 35 ft (10.7 m) and a deck 35 ft wide.

Who owns SR 28 over Crab Creek?

It is owned by the State Highway Agency.