US Bridges

Old Coulee RD 9433 over Drainage

Good

Lincoln County, Washington · .307 MI S of CR 41540 · Structure no. 089073000000000

Built
2018
7 years old
Condition
Good
inspected July 2023
Type
Culvert
Steel
Length
24 ft
2 main spans
Daily traffic
109
2021 count
Owner
County
County Highway Agency

About this bridge

Old Coulee RD 9433 over Drainage is a steel culvert carrying Old Coulee RD 9433 over Drainage in Lincoln County, Washington. It was built in 2018, so it is 7 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 109 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2040. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesOld Coulee RD 9433
CrossesDrainage
Location.307 MI S of CR 41540
RouteCounty Highway 94330
Coordinates47.8575, -118.9375
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic109 (2021)
Projected traffic150 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old Coulee RD 9433 over Drainage built?

It was built in 2018, making it 7 years old in 2025.

What condition is Old Coulee RD 9433 over Drainage 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 July 2023.

How much traffic does Old Coulee RD 9433 over Drainage carry?

About 109 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Old Coulee RD 9433 over Drainage?

The structure is 24 ft (7.3 m) long with a longest span of 9 ft (2.7 m).

Who owns Old Coulee RD 9433 over Drainage?

It is owned by the County Highway Agency.