US Bridges

Matsen RD over Alder Creek

Good

Klickitat County, Washington · 2.6 N JCT CR45000 · Structure no. 086408000000000

Built
1996
29 years old
Condition
Good
inspected July 2023
Type
Culvert
Steel
Length
29 ft
2 main spans
Daily traffic
152
2021 count
Owner
County
County Highway Agency

About this bridge

Matsen RD over Alder Creek is a steel culvert carrying Matsen RD over Alder Creek in Klickitat County, Washington. It was built in 1996, so it is 29 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 152 vehicles a day, roughly 28% of them trucks, projected to reach 189 by 2043. The structure is 29 ft (8.8 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMatsen RD
CrossesAlder Creek
Location2.6 N JCT CR45000
RouteCounty Highway 47650
Coordinates45.97359, -120.24545
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating94.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length29 ft (8.8 m)
Longest span13 ft (4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic152 (2021)
Projected traffic189 by 2043
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$386,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Matsen RD over Alder Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Matsen RD over Alder 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 July 2023.

How much traffic does Matsen RD over Alder Creek carry?

About 152 vehicles per day (2021 count), of which roughly 28% are trucks.

How long is Matsen RD over Alder Creek?

The structure is 29 ft (8.8 m) long with a longest span of 13 ft (4 m) and a deck 28 ft wide.

Who owns Matsen RD over Alder Creek?

It is owned by the County Highway Agency.