US Bridges

Pine Bluff Road over Coulee Creek

Fair

Spokane County, Washington · 0.2 N Seven MI RD · Structure no. 085756000000000

Built
1990
35 years old, rebuilt 2003
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
179 ft
3 main spans
Daily traffic
123
2020 count
Owner
County
County Highway Agency

About this bridge

Pine Bluff Road over Coulee Creek is a prestressed concrete continuous tee beam carrying Pine Bluff Road over Coulee Creek in Spokane County, Washington. It was built in 1990 and reconstructed in 2003, so it is 35 years old, younger 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 123 vehicles a day, roughly 15% of them trucks, projected to reach 177 by 2041. The structure is 179 ft (54.6 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesPine Bluff Road
CrossesCoulee Creek
Location0.2 N Seven MI RD
RouteCounty Highway 3747
CountySpokane County
StateWashington
Coordinates47.74747, -117.55661
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.5 US tons
Inventory rating51.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length179 ft (54.6 m)
Longest span68 ft (20.7 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123 (2020)
Projected traffic177 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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$2.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pine Bluff Road over Coulee Creek built?

It was built in 1990, making it 35 years old in 2025. It was reconstructed in 2003.

What condition is Pine Bluff Road over Coulee 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 October 2023.

How much traffic does Pine Bluff Road over Coulee Creek carry?

About 123 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Pine Bluff Road over Coulee Creek?

The structure is 179 ft (54.6 m) long with a longest span of 68 ft (20.7 m) and a deck 29 ft wide.

Who owns Pine Bluff Road over Coulee Creek?

It is owned by the County Highway Agency.