US Bridges

Jim Brown Bridge R over Little Wood River

PoorPosted for load

Lincoln County, Idaho · 3.2 N. 3.7 E. Richfield · Structure no. 000000000024955

Built
1965
60 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
5
2023 count
Owner
Local
Other Local Agency

About this bridge

Jim Brown Bridge R over Little Wood River is a steel stringer/multi-beam or girder carrying Jim Brown Bridge R over Little Wood River in Lincoln County, Idaho. It was built in 1965, so it is 60 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, roughly 5% of them trucks, projected to reach 8 by 2039. The structure is 53 ft (16.2 m) long and 11 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesJim Brown Bridge R
CrossesLittle Wood River
Location3.2 N. 3.7 E. Richfield
RouteCounty Highway 0
StateIdaho
Coordinates43.08789, -114.08631
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26 US tons
Inventory rating15 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadH 10
Structure length53 ft (16.2 m)
Longest span51 ft (15.5 m)
Deck width11 ft (3.3 m)
Roadway width10 ft (3.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2023)
Projected traffic8 by 2039
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$513,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Jim Brown Bridge R over Little Wood River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Jim Brown Bridge R over Little Wood River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Jim Brown Bridge R over Little Wood River carry?

About 5 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Jim Brown Bridge R over Little Wood River?

The structure is 53 ft (16.2 m) long with a longest span of 51 ft (15.5 m) and a deck 11 ft wide.

Who owns Jim Brown Bridge R over Little Wood River?

It is owned by the Other Local Agency.