US Bridges

Stolp Road 36450 over Drainage

Good

Lincoln County, Washington · 1.52 N JCT SR 23 · Structure no. 083653000000000

Built
1982
43 years old
Condition
Good
inspected December 2022
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
65
2020 count
Owner
County
County Highway Agency

About this bridge

Stolp Road 36450 over Drainage is a steel culvert carrying Stolp Road 36450 over Drainage in Lincoln County, Washington. It was built in 1982, so it is 43 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 65 vehicles a day, roughly 40% of them trucks, projected to reach 115 by 2040. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesStolp Road 36450
CrossesDrainage
Location1.52 N JCT SR 23
RouteCounty Highway 36450
Coordinates47.37, -118.00333
Functional classRural Minor 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 inspectionDecember 2022
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 adequacy7: Better than present minimum 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 loadHS 20
Structure length22 ft (6.7 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 traffic65 (2020)
Projected traffic115 by 2040
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Stolp Road 36450 over Drainage built?

It was built in 1982, making it 43 years old in 2025.

What condition is Stolp Road 36450 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 December 2022.

How much traffic does Stolp Road 36450 over Drainage carry?

About 65 vehicles per day (2020 count), of which roughly 40% are trucks.

How long is Stolp Road 36450 over Drainage?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m).

Who owns Stolp Road 36450 over Drainage?

It is owned by the County Highway Agency.