US Bridges

Fdr 255 over Moose Creek

Fair

Clearwater County, Idaho · Moose & Kelly CR JCT · Structure no. 010503000000075

Built
1949
76 years old
Condition
Fair
inspected August 2022
Type
Stringer/Multi-beam or Girder
Concrete
Length
110 ft
1 main span
Daily traffic
40
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 255 over Moose Creek is a concrete stringer/multi-beam or girder carrying Fdr 255 over Moose Creek in Clearwater County, Idaho. It was built in 1949, so it is 76 years old, older than the Idaho average of 45.3 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 40 vehicles a day, projected to reach 60 by 2045. The structure is 110 ft (33.5 m) long and 26 ft wide.

Location

Open in Google Maps
CarriesFdr 255
CrossesMoose Creek
LocationMoose & Kelly CR JCT
RouteFederal Lands Road 255
CountyClearwater County
StateIdaho
Coordinates46.72178, -115.08721
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating22.8 US tons
Inventory rating17.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length110 ft (33.5 m)
Longest span60 ft (18.3 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (—)
Projected traffic60 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Fdr 255 over Moose Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is Fdr 255 over Moose 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 August 2022.

How much traffic does Fdr 255 over Moose Creek carry?

About 40 vehicles per day (latest count).

How long is Fdr 255 over Moose Creek?

The structure is 110 ft (33.5 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns Fdr 255 over Moose Creek?

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