US Bridges

S. Raymond Road over Portneuf Marsh Vally Cnl

Good

Bannock County, Idaho · 3.7 N. 0.3 E. Arimo · Structure no. 000000000021981

Built
2019
6 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

S. Raymond Road over Portneuf Marsh Vally Cnl is a concrete slab carrying S. Raymond Road over Portneuf Marsh Vally Cnl in Bannock County, Idaho. It was built in 2019, so it is 6 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2039. The structure is 28 ft (8.5 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesS. Raymond Road
CrossesPortneuf Marsh Vally Cnl
Location3.7 N. 0.3 E. Arimo
RouteCounty Highway 0
StateIdaho
Coordinates42.61444, -112.16617
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36.4 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic150 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 S. Raymond Road over Portneuf Marsh Vally Cnl built?

It was built in 2019, making it 6 years old in 2025.

What condition is S. Raymond Road over Portneuf Marsh Vally 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 S. Raymond Road over Portneuf Marsh Vally Cnl carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S. Raymond Road over Portneuf Marsh Vally Cnl?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 31 ft wide.

Who owns S. Raymond Road over Portneuf Marsh Vally Cnl?

It is owned by the County Highway Agency.