US Bridges

Old Malad River RD over Malad River Gorge

Fair

Gooding County, Idaho · 5.6 E. Bliss · Structure no. 000000000024515

Built
1947
78 years old
Condition
Fair
inspected March 2023
Type
Arch - Deck
Concrete
Length
120 ft
1 main span
Daily traffic
80
2023 count
Owner
Local
Other Local Agency

About this bridge

Old Malad River RD over Malad River Gorge is a concrete arch - deck carrying Old Malad River RD over Malad River Gorge in Gooding County, Idaho. It was built in 1947, so it is 78 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 80 vehicles a day, roughly 14% of them trucks, projected to reach 120 by 2042. The structure is 120 ft (36.6 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesOld Malad River RD
CrossesMalad River Gorge
Location5.6 E. Bliss
RouteCounty Highway 0
CountyGooding County
StateIdaho
Coordinates42.86792, -114.85247
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length120 ft (36.6 m)
Longest span10 ft (3 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2023)
Projected traffic120 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$1 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Malad River RD over Malad River Gorge built?

It was built in 1947, making it 78 years old in 2025.

What condition is Old Malad River RD over Malad River Gorge 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 March 2023.

How much traffic does Old Malad River RD over Malad River Gorge carry?

About 80 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Old Malad River RD over Malad River Gorge?

The structure is 120 ft (36.6 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns Old Malad River RD over Malad River Gorge?

It is owned by the Other Local Agency.