US Bridges

Gilliland Road over Crab Creek

Poor

Lincoln County, Washington · 2.74 E FAS G221 · Structure no. 080495000000000

Built
1959
66 years old
Condition
Poor
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
2 main spans
Daily traffic
17
2020 count
Owner
County
County Highway Agency

About this bridge

Gilliland Road over Crab Creek is a steel stringer/multi-beam or girder carrying Gilliland Road over Crab Creek in Lincoln County, Washington. It was built in 1959, so it is 66 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 17 vehicles a day, roughly 40% of them trucks, projected to reach 67 by 2041. The structure is 36 ft (11 m) long and 20 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesGilliland Road
CrossesCrab Creek
Location2.74 E FAS G221
RouteCounty Highway 34840
Coordinates47.43497, -118.19231
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.5 US tons
Inventory rating20.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadH 15
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2020)
Projected traffic67 by 2041
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gilliland Road over Crab Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Gilliland Road over Crab Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.

How much traffic does Gilliland Road over Crab Creek carry?

About 17 vehicles per day (2020 count), of which roughly 40% are trucks.

How long is Gilliland Road over Crab Creek?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 20 ft wide.

Who owns Gilliland Road over Crab Creek?

It is owned by the County Highway Agency.