US Bridges

County Road 1950 over Asotin Creek

Good

Asotin County, Washington · 0.09 MI So JCT 1050 · Structure no. 082616000000000

Built
1975
50 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
125
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 1950 over Asotin Creek is a prestressed concrete tee beam carrying County Road 1950 over Asotin Creek in Asotin County, Washington. It was built in 1975, so it is 50 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 125 vehicles a day, roughly 17% of them trucks, projected to reach 150 by 2040. The structure is 100 ft (30.5 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCounty Road 1950
CrossesAsotin Creek
Location0.09 MI So JCT 1050
RouteCounty Highway 195
Coordinates46.33377, -117.06967
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span98 ft (29.9 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2020)
Projected traffic150 by 2040
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 1950 over Asotin Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is County Road 1950 over Asotin Creek 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 April 2024.

How much traffic does County Road 1950 over Asotin Creek carry?

About 125 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is County Road 1950 over Asotin Creek?

The structure is 100 ft (30.5 m) long with a longest span of 98 ft (29.9 m) and a deck 20 ft wide.

Who owns County Road 1950 over Asotin Creek?

It is owned by the County Highway Agency.