US Bridges

US 26 over Malad River

Fair

Gooding County, Idaho · 5.0 W. Gooding · Structure no. 000000000013105

Built
1956
69 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
100 ft
3 main spans
Daily traffic
1,900
2023 count
Owner
State
State Highway Agency

About this bridge

US 26 over Malad River is a concrete tee beam carrying US 26 over Malad River in Gooding County, Idaho. It was built in 1956, so it is 69 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 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 1,900 vehicles a day, roughly 20% of them trucks, projected to reach 2,850 by 2042. The structure is 100 ft (30.5 m) long and 36 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesUS 26
CrossesMalad River
Location5.0 W. Gooding
RouteU.S. Route 26
StateIdaho
Coordinates42.92385, -114.80861
Functional classRural Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span39 ft (11.9 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2023)
Projected traffic2,850 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 km)
TollOn a free road
National Highway SystemNo

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 26 over Malad River built?

It was built in 1956, making it 69 years old in 2025.

What condition is US 26 over Malad River 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 June 2024.

How much traffic does US 26 over Malad River carry?

About 1,900 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is US 26 over Malad River?

The structure is 100 ft (30.5 m) long with a longest span of 39 ft (11.9 m) and a deck 36 ft wide.

Who owns US 26 over Malad River?

It is owned by the State Highway Agency.