US Bridges

Sma 7406;PANCHERI over Snake River

Fair

Bonneville County, Idaho · In Idaho Falls · Structure no. 000000000021565

Built
1971
54 years old, rebuilt 1999
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
443 ft
4 main spans
Daily traffic
26,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sma 7406;PANCHERI over Snake River is a prestressed concrete stringer/multi-beam or girder carrying Sma 7406;PANCHERI over Snake River in Bonneville County, Idaho. It was built in 1971 and reconstructed in 1999, so it is 54 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 26,000 vehicles a day, roughly 2% of them trucks, projected to reach 39,000 by 2042. The structure is 443 ft (135 m) long and 86 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSma 7406;PANCHERI
CrossesSnake River
LocationIn Idaho Falls
RouteCity Street 7406
StateIdaho
Coordinates43.48533, -112.04886
Functional classUrban 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
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 stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating25 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length443 ft (135 m)
Longest span110 ft (33.5 m)
Deck width86 ft (26.3 m)
Roadway width70 ft (21.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,000 (2023)
Projected traffic39,000 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$7.3 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sma 7406;PANCHERI over Snake River built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1999.

What condition is Sma 7406;PANCHERI over Snake 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 March 2023.

How much traffic does Sma 7406;PANCHERI over Snake River carry?

About 26,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Sma 7406;PANCHERI over Snake River?

The structure is 443 ft (135 m) long with a longest span of 110 ft (33.5 m) and a deck 86 ft wide.

Who owns Sma 7406;PANCHERI over Snake River?

It is owned by the City or Municipal Highway Agency.