US Bridges

E 500 N over S. Branch Fall River Cnl

Good

Fremont County, Idaho · 0.3 S. 3.6 E. St. Anthony · Structure no. 000000000032091

Built
1997
28 years old
Condition
Good
inspected April 2023
Type
Tee Beam
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
120
2023 count
Owner
County
County Highway Agency

About this bridge

E 500 N over S. Branch Fall River Cnl is a prestressed concrete tee beam carrying E 500 N over S. Branch Fall River Cnl in Fremont County, Idaho. It was built in 1997, so it is 28 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 120 vehicles a day, roughly 5% of them trucks, projected to reach 180 by 2039. The structure is 28 ft (8.5 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE 500 N
CrossesS. Branch Fall River Cnl
Location0.3 S. 3.6 E. St. Anthony
RouteCounty Highway 0
StateIdaho
Coordinates43.9555, -111.61047
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2023)
Projected traffic180 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 E 500 N over S. Branch Fall River Cnl built?

It was built in 1997, making it 28 years old in 2025.

What condition is E 500 N over S. Branch Fall River Cnl 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 April 2023.

How much traffic does E 500 N over S. Branch Fall River Cnl carry?

About 120 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is E 500 N over S. Branch Fall River Cnl?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

Who owns E 500 N over S. Branch Fall River Cnl?

It is owned by the County Highway Agency.