US Bridges

No Data Entered over Upper Muddy River

Good

Skamania County, Washington · 15.1 Miles from the Junct · Structure no. 060301000000103

Built
1989
36 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
131 ft
1 main span
Daily traffic
282
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over Upper Muddy River is a prestressed concrete stringer/multi-beam or girder carrying No Data Entered over Upper Muddy River in Skamania County, Washington. It was built in 1989, so it is 36 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 282 vehicles a day, roughly 10% of them trucks, projected to reach 423 by 2045. The structure is 131 ft (39.9 m) long and 32 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesNo Data Entered
CrossesUpper Muddy River
Location15.1 Miles from the Junct
RouteFederal Lands Road 83000
Coordinates46.16417, -122.09194
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.1 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length131 ft (39.9 m)
Longest span128 ft (38.9 m)
Deck width32 ft (9.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic282 (2006)
Projected traffic423 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was No Data Entered over Upper Muddy River built?

It was built in 1989, making it 36 years old in 2025.

What condition is No Data Entered over Upper Muddy River 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 August 2024.

How much traffic does No Data Entered over Upper Muddy River carry?

About 282 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is No Data Entered over Upper Muddy River?

The structure is 131 ft (39.9 m) long with a longest span of 128 ft (38.9 m) and a deck 32 ft wide.

Who owns No Data Entered over Upper Muddy River?

It is owned by the U.S. Forest Service.