US Bridges

US 95 over Cottonwood Creek

Good

Adams County, Idaho · 2.6 S. Council Cl · Structure no. 000000000018206

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
2,900
2023 count
Owner
State
State Highway Agency

About this bridge

US 95 over Cottonwood Creek is a prestressed concrete box beam or girders - multiple carrying US 95 over Cottonwood Creek in Adams County, Idaho. It was built in 2017, so it is 8 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,900 vehicles a day, roughly 14% of them trucks, projected to reach 4,350 by 2042. The structure is 57 ft (17.4 m) long and 40 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesUS 95
CrossesCottonwood Creek
Location2.6 S. Council Cl
RouteU.S. Route 95
StateIdaho
Coordinates44.68575, -116.44781
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length57 ft (17.4 m)
Longest span54 ft (16.5 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2023)
Projected traffic4,350 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 95 over Cottonwood Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is US 95 over Cottonwood Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does US 95 over Cottonwood Creek carry?

About 2,900 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US 95 over Cottonwood Creek?

The structure is 57 ft (17.4 m) long with a longest span of 54 ft (16.5 m) and a deck 40 ft wide.

Who owns US 95 over Cottonwood Creek?

It is owned by the State Highway Agency.