US Bridges

County Arterial over W B 5 W W 1

Good

Franklin County, Washington · 0.11N H. Spur 476 · Structure no. 087227000000000

Built
2005
20 years old
Condition
Good
inspected November 2022
Type
Tee Beam
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
164
2020 count
Owner
County
County Highway Agency

About this bridge

County Arterial over W B 5 W W 1 is a prestressed concrete tee beam carrying County Arterial over W B 5 W W 1 in Franklin County, Washington. It was built in 2005, so it is 20 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 164 vehicles a day, roughly 36% of them trucks, projected to reach 259 by 2040. The structure is 47 ft (14.3 m) long and 29 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCounty Arterial
CrossesW B 5 W W 1
Location0.11N H. Spur 476
RouteCounty Highway 4050
CountyFranklin County
StateWashington
Coordinates46.62233, -119.21854
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 2022
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating23.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length47 ft (14.3 m)
Longest span44 ft (13.4 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic164 (2020)
Projected traffic259 by 2040
Trucks36%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Arterial over W B 5 W W 1 built?

It was built in 2005, making it 20 years old in 2025.

What condition is County Arterial over W B 5 W W 1 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 2022.

How much traffic does County Arterial over W B 5 W W 1 carry?

About 164 vehicles per day (2020 count), of which roughly 36% are trucks.

How long is County Arterial over W B 5 W W 1?

The structure is 47 ft (14.3 m) long with a longest span of 44 ft (13.4 m) and a deck 29 ft wide.

Who owns County Arterial over W B 5 W W 1?

It is owned by the County Highway Agency.