US Bridges

SR 129 over Buford Creek

Good

Asotin County, Washington · 0.9 N Oregon · Structure no. 0019418A0000000

Built
2019
6 years old
Condition
Good
inspected September 2023
Type
Culvert
Steel
Length
30 ft
1 main span
Daily traffic
290
2023 count
Owner
State
State Highway Agency

About this bridge

SR 129 over Buford Creek is a steel culvert carrying SR 129 over Buford Creek in Asotin County, Washington. It was built in 2019, so it is 6 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 290 vehicles a day, roughly 22% of them trucks, projected to reach 310 by 2039. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 129
CrossesBuford Creek
Location0.9 N Oregon
RouteState Highway 129
Coordinates45.99894, -117.28064
Functional classRural Minor Arterial

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2023)
Projected traffic310 by 2039
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$428,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 129 over Buford Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is SR 129 over Buford 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 September 2023.

How much traffic does SR 129 over Buford Creek carry?

About 290 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is SR 129 over Buford Creek?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m).

Who owns SR 129 over Buford Creek?

It is owned by the State Highway Agency.