US Bridges

Deer Creek Road over Bear Valley Creek

Fair

Valley County, Idaho · 21 N. Lowman · Structure no. 000000000033800

Built
1971
54 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
36 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Deer Creek Road over Bear Valley Creek is a wood or timber stringer/multi-beam or girder carrying Deer Creek Road over Bear Valley Creek in Valley County, Idaho. It was built in 1971, so it is 54 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 30 vehicles a day, projected to reach 45 by 2039. The structure is 36 ft (11 m) long and 15 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesDeer Creek Road
CrossesBear Valley Creek
Location21 N. Lowman
RouteCounty Highway 0
StateIdaho
Coordinates44.32275, -115.47808
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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53 US tons
Inventory rating36 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2039
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$402,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Deer Creek Road over Bear Valley Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Deer Creek Road over Bear Valley 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 2024.

How much traffic does Deer Creek Road over Bear Valley Creek carry?

About 30 vehicles per day (2023 count).

How long is Deer Creek Road over Bear Valley Creek?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 15 ft wide.

Who owns Deer Creek Road over Bear Valley Creek?

It is owned by the County Highway Agency.