US Bridges

Hansen RD over Outlet Creek

Fair

Cowlitz County, Washington · 0.55 S SR 504 (mp 9.94) · Structure no. 087285000000000

Built
1969
56 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
36 ft
3 main spans
Daily traffic
87
2019 count
Owner
County
County Highway Agency

About this bridge

Hansen RD over Outlet Creek is a concrete continuous culvert carrying Hansen RD over Outlet Creek in Cowlitz County, Washington. It was built in 1969, so it is 56 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 87 vehicles a day, roughly 1% of them trucks, projected to reach 125 by 2040. The structure is 36 ft (11 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesHansen RD
CrossesOutlet Creek
Location0.55 S SR 504 (mp 9.94)
RouteCounty Highway 58890
Coordinates46.315, -122.74417
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating34.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 15
Structure length36 ft (11 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87 (2019)
Projected traffic125 by 2040
Trucks1%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hansen RD over Outlet Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Hansen RD over Outlet Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Hansen RD over Outlet Creek carry?

About 87 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Hansen RD over Outlet Creek?

The structure is 36 ft (11 m) long with a longest span of 12 ft (3.7 m).

Who owns Hansen RD over Outlet Creek?

It is owned by the County Highway Agency.