US Bridges

Downs Road over Coal Creek

Good

Lincoln County, Washington · 2.80 E SR 28 · Structure no. 082936000000000

Built
1971
54 years old, rebuilt 1994
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Steel
Length
30 ft
1 main span
Daily traffic
35
2021 count
Owner
County
County Highway Agency

About this bridge

Downs Road over Coal Creek is a steel box beam or girders - multiple carrying Downs Road over Coal Creek in Lincoln County, Washington. It was built in 1971 and reconstructed in 1994, so it is 54 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 35 vehicles a day, roughly 40% of them trucks, projected to reach 85 by 2042. The structure is 30 ft (9.1 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDowns Road
CrossesCoal Creek
Location2.80 E SR 28
RouteCounty Highway 22310
Coordinates47.37794, -118.39183
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.
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 within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2021)
Projected traffic85 by 2042
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Downs Road over Coal Creek built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1994.

What condition is Downs 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 Downs Road over Coal Creek carry?

About 35 vehicles per day (2021 count), of which roughly 40% are trucks.

How long is Downs Road over Coal Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns Downs Road over Coal Creek?

It is owned by the County Highway Agency.