US Bridges

Fdr 737 over Lake Creek

Fair

Clearwater County, Idaho · 70 Mi. from Pierce Id · Structure no. 010506000001004

Built
1985
40 years old, rebuilt 1993
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
1 main span
Daily traffic
10
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 737 over Lake Creek is a steel stringer/multi-beam or girder carrying Fdr 737 over Lake Creek in Clearwater County, Idaho. It was built in 1985 and reconstructed in 1993, so it is 40 years old, younger 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 5 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 10 vehicles a day, projected to reach 15 by 2045. The structure is 81 ft (24.7 m) long and 18 ft wide.

Location

Open in Google Maps
CarriesFdr 737
CrossesLake Creek
Location70 Mi. from Pierce Id
RouteFederal Lands Road 737
CountyClearwater County
StateIdaho
Coordinates46.79769, -115.11541
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length81 ft (24.7 m)
Longest span80 ft (24.4 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (—)
Projected traffic15 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Fdr 737 over Lake Creek built?

It was built in 1985, making it 40 years old in 2025. It was reconstructed in 1993.

What condition is Fdr 737 over Lake 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 October 2022.

How much traffic does Fdr 737 over Lake Creek carry?

About 10 vehicles per day (latest count).

How long is Fdr 737 over Lake Creek?

The structure is 81 ft (24.7 m) long with a longest span of 80 ft (24.4 m) and a deck 18 ft wide.

Who owns Fdr 737 over Lake Creek?

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