US Bridges

Jackson Creek RD over Weiser River

Poor

Adams County, Idaho · 2.6 S. 1.5 W. Council · Structure no. 000000000026490

Built
1988
37 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
85 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Jackson Creek RD over Weiser River is a steel stringer/multi-beam or girder carrying Jackson Creek RD over Weiser River in Adams County, Idaho. It was built in 1988, so it is 37 years old, younger 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 4 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.

It carries about 50 vehicles a day, roughly 67% of them trucks, projected to reach 75 by 2042. The structure is 85 ft (25.9 m) long and 17 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesJackson Creek RD
CrossesWeiser River
Location2.6 S. 1.5 W. Council
RouteCounty Highway 0
StateIdaho
Coordinates44.69211, -116.46847
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating14 US tons
Inventory rating8 US tons

Structure

MaterialSteel
DeckSteel plate
Main spans1
Design loadH 10
Structure length85 ft (25.9 m)
Longest span81 ft (24.7 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic75 by 2042
Trucks67%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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$770,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Jackson Creek RD over Weiser River built?

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

What condition is Jackson Creek RD over Weiser 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 September 2024.

How much traffic does Jackson Creek RD over Weiser River carry?

About 50 vehicles per day (2023 count), of which roughly 67% are trucks.

How long is Jackson Creek RD over Weiser River?

The structure is 85 ft (25.9 m) long with a longest span of 81 ft (24.7 m) and a deck 17 ft wide.

Who owns Jackson Creek RD over Weiser River?

It is owned by the County Highway Agency.