US Bridges

Third Street over Stowe Creek

Good

Lewis County, Washington · 2.5 Blks S SR 6 · Structure no. 086088000000000

Built
1994
31 years old
Condition
Good
inspected January 2023
Type
Tee Beam
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
600
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Third Street over Stowe Creek is a prestressed concrete tee beam carrying Third Street over Stowe Creek in Lewis County, Washington. It was built in 1994, so it is 31 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 866 by 2036. The structure is 50 ft (15.2 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesThird Street
CrossesStowe Creek
Location2.5 Blks S SR 6
RouteCity Street 975
Coordinates46.568, -123.30025
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106 US tons
Inventory rating81.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span46 ft (14 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2015)
Projected traffic866 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$689,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Third Street over Stowe Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Third Street over Stowe 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 January 2023.

How much traffic does Third Street over Stowe Creek carry?

About 600 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Third Street over Stowe Creek?

The structure is 50 ft (15.2 m) long with a longest span of 46 ft (14 m) and a deck 35 ft wide.

Who owns Third Street over Stowe Creek?

It is owned by the City or Municipal Highway Agency.