US Bridges

36 Road NE over Dry Creek

FairPosted for load

Grant County, Washington · 36 NE .5 West of P · Structure no. 084674000000000

Built
1972
53 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
108
2022 count
Owner
County
County Highway Agency

About this bridge

36 Road NE over Dry Creek is a prestressed concrete tee beam carrying 36 Road NE over Dry Creek in Grant County, Washington. It was built in 1972, so it is 53 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 108 vehicles a day, roughly 33% of them trucks, projected to reach 110 by 2044. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries36 Road NE
CrossesDry Creek
Location36 NE .5 West of P
RouteCounty Highway 95000
Coordinates47.61226, -119.15316
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating22.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span37 ft (11.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108 (2022)
Projected traffic110 by 2044
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$542,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 36 Road NE over Dry Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is 36 Road NE over Dry 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 2024.

How much traffic does 36 Road NE over Dry Creek carry?

About 108 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is 36 Road NE over Dry Creek?

The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.3 m) and a deck 28 ft wide.

Who owns 36 Road NE over Dry Creek?

It is owned by the County Highway Agency.