US Bridges

Nhs 6710;YORK RD over Snake River

Fair

Bonneville County, Idaho · 2.9 S. Idaho Falls Scl · Structure no. 000000000012100

Built
1963
62 years old, rebuilt 1979
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
812 ft
9 main spans
Daily traffic
7,200
2023 count
Owner
County
County Highway Agency

About this bridge

Nhs 6710;YORK RD over Snake River is a steel stringer/multi-beam or girder carrying Nhs 6710;YORK RD over Snake River in Bonneville County, Idaho. It was built in 1963 and reconstructed in 1979, so it is 62 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 7,200 vehicles a day, roughly 26% of them trucks, projected to reach 10,800 by 2042. The structure is 812 ft (247.5 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNhs 6710;YORK RD
CrossesSnake River
Location2.9 S. Idaho Falls Scl
RouteCounty Highway 6710
StateIdaho
Coordinates43.43953, -112.09947
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating41 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length812 ft (247.5 m)
Longest span119 ft (36.3 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2023)
Projected traffic10,800 by 2042
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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$9.7 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nhs 6710;YORK RD over Snake River built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1979.

What condition is Nhs 6710;YORK RD 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 July 2023.

How much traffic does Nhs 6710;YORK RD over Snake River carry?

About 7,200 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is Nhs 6710;YORK RD over Snake River?

The structure is 812 ft (247.5 m) long with a longest span of 119 ft (36.3 m) and a deck 33 ft wide.

Who owns Nhs 6710;YORK RD over Snake River?

It is owned by the County Highway Agency.