US Bridges

Platter Road over Crab Creek

Good

Lincoln County, Washington · 0.08 S SR 23 · Structure no. 082935000000000

Built
1983
42 years old
Condition
Good
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
50
2021 count
Owner
County
County Highway Agency

About this bridge

Platter Road over Crab Creek is a prestressed concrete tee beam carrying Platter Road over Crab Creek in Lincoln County, Washington. It was built in 1983, so it is 42 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 40% of them trucks, projected to reach 75 by 2042. The structure is 100 ft (30.5 m) long and 31 ft wide.

CarriesPlatter Road
CrossesCrab Creek
Location0.08 S SR 23
RouteCounty Highway 33350
Coordinates47.38658, -118.14372
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating27.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length100 ft (30.5 m)
Longest span97 ft (29.6 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic75 by 2042
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Platter Road over Crab Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Platter Road 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 December 2023.

How much traffic does Platter Road over Crab Creek carry?

About 50 vehicles per day (2021 count), of which roughly 40% are trucks.

How long is Platter Road over Crab Creek?

The structure is 100 ft (30.5 m) long with a longest span of 97 ft (29.6 m) and a deck 31 ft wide.

Who owns Platter Road over Crab Creek?

It is owned by the County Highway Agency.