US Bridges

Yarwood Road over Coal Creek

Good

Lincoln County, Washington · 0.01 S JCT SR 28 · Structure no. 086372000000000

Built
1998
27 years old
Condition
Good
inspected November 2023
Type
Girder and Floorbeam System
Concrete Continuous
Length
55 ft
1 main span
Daily traffic
60
2021 count
Owner
County
County Highway Agency

About this bridge

Yarwood Road over Coal Creek is a concrete continuous girder and floorbeam system carrying Yarwood Road over Coal Creek in Lincoln County, Washington. It was built in 1998, so it is 27 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 60 vehicles a day, roughly 40% of them trucks, projected to reach 110 by 2042. The structure is 55 ft (16.8 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesYarwood Road
CrossesCoal Creek
Location0.01 S JCT SR 28
RouteCounty Highway 21570
Coordinates47.35975, -118.48719
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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating36 US tons

Structure

MaterialConcrete Continuous
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length55 ft (16.8 m)
Longest span52 ft (15.8 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2021)
Projected traffic110 by 2042
Trucks40%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Yarwood Road over Coal Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Yarwood Road over Coal 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 November 2023.

How much traffic does Yarwood Road over Coal Creek carry?

About 60 vehicles per day (2021 count), of which roughly 40% are trucks.

How long is Yarwood Road over Coal Creek?

The structure is 55 ft (16.8 m) long with a longest span of 52 ft (15.8 m) and a deck 39 ft wide.

Who owns Yarwood Road over Coal Creek?

It is owned by the County Highway Agency.