US Bridges

County Arterial over East Lateral 85

Good

Franklin County, Washington · 0.56 S JCT SR 260 · Structure no. 087511000000000

Built
2007
18 years old
Condition
Good
inspected November 2023
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
44
2023 count
Owner
County
County Highway Agency

About this bridge

County Arterial over East Lateral 85 is a prestressed concrete slab carrying County Arterial over East Lateral 85 in Franklin County, Washington. It was built in 2007, so it is 18 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 44 vehicles a day, roughly 48% of them trucks, projected to reach 50 by 2040. The structure is 28 ft (8.5 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCounty Arterial
CrossesEast Lateral 85
Location0.56 S JCT SR 260
RouteCounty Highway 2160
Coordinates46.65551, -118.96366
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.6 US tons
Inventory rating74.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44 (2023)
Projected traffic50 by 2040
Trucks48%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Arterial over East Lateral 85 built?

It was built in 2007, making it 18 years old in 2025.

What condition is County Arterial over East Lateral 85 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 November 2023.

How much traffic does County Arterial over East Lateral 85 carry?

About 44 vehicles per day (2023 count), of which roughly 48% are trucks.

How long is County Arterial over East Lateral 85?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns County Arterial over East Lateral 85?

It is owned by the County Highway Agency.