US Bridges

Brines Road over Tucannon River

Good

Columbia County, Washington · 0.02 E JCT CR 9233 · Structure no. 085716000000000

Built
1988
37 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete Continuous
Length
91 ft
2 main spans
Daily traffic
25
2019 count
Owner
County
County Highway Agency

About this bridge

Brines Road over Tucannon River is a prestressed concrete continuous slab carrying Brines Road over Tucannon River in Columbia County, Washington. It was built in 1988, so it is 37 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 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 25 vehicles a day, roughly 20% of them trucks, projected to reach 35 by 2041. The structure is 91 ft (27.7 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBrines Road
CrossesTucannon River
Location0.02 E JCT CR 9233
RouteCounty Highway 28510
Coordinates46.46564, -117.89864
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckOther
Main spans2
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span45 ft (13.7 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2019)
Projected traffic35 by 2041
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Brines Road over Tucannon River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Brines Road over Tucannon River 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 October 2023.

How much traffic does Brines Road over Tucannon River carry?

About 25 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is Brines Road over Tucannon River?

The structure is 91 ft (27.7 m) long with a longest span of 45 ft (13.7 m) and a deck 29 ft wide.

Who owns Brines Road over Tucannon River?

It is owned by the County Highway Agency.