US Bridges

No Data Entered over Muddy River

Good

Skamania County, Washington · 4.6 Miles North of Fs RD · Structure no. 060301000000027

Built
1988
37 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
282 ft
3 main spans
Daily traffic
400
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over Muddy River is a prestressed concrete stringer/multi-beam or girder carrying No Data Entered over Muddy River in Skamania County, Washington. It was built in 1988, so it is 37 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 400 vehicles a day, roughly 15% of them trucks, projected to reach 600 by 2045. The structure is 282 ft (85.9 m) long and 29 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesNo Data Entered
CrossesMuddy River
Location4.6 Miles North of Fs RD
RouteFederal Lands Road 25000
Coordinates46.12284, -122.00844
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating73.1 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length282 ft (85.9 m)
Longest span100 ft (30.4 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2006)
Projected traffic600 by 2045
Trucks15%
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 Muddy River built?

It was built in 1988, making it 37 years old in 2025.

What condition is No Data Entered over 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 2023.

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

About 400 vehicles per day (2006 count), of which roughly 15% are trucks.

How long is No Data Entered over Muddy River?

The structure is 282 ft (85.9 m) long with a longest span of 100 ft (30.4 m) and a deck 29 ft wide.

Who owns No Data Entered over Muddy River?

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