US Bridges

Lower Deadman RD over Deadman Creek

Fair

Garfield County, Washington · 12.3 North JCT SR12 · Structure no. 087169000000000

Built
1939
86 years old, rebuilt 1965
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
280
2020 count
Owner
County
County Highway Agency

About this bridge

Lower Deadman RD over Deadman Creek is a steel stringer/multi-beam or girder carrying Lower Deadman RD over Deadman Creek in Garfield County, Washington. It was built in 1939 and reconstructed in 1965, so it is 86 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 280 vehicles a day, roughly 18% of them trucks, projected to reach 280 by 2040. The structure is 52 ft (15.8 m) long and 35 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLower Deadman RD
CrossesDeadman Creek
Location12.3 North JCT SR12
RouteCounty Highway 30900
Coordinates46.60499, -117.60829
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckOther
Main spans1
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span51 ft (15.5 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2020)
Projected traffic280 by 2040
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$840,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lower Deadman RD over Deadman Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1965.

What condition is Lower Deadman RD over Deadman Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Lower Deadman RD over Deadman Creek carry?

About 280 vehicles per day (2020 count), of which roughly 18% are trucks.

How long is Lower Deadman RD over Deadman Creek?

The structure is 52 ft (15.8 m) long with a longest span of 51 ft (15.5 m) and a deck 35 ft wide.

Who owns Lower Deadman RD over Deadman Creek?

It is owned by the County Highway Agency.