US Bridges

SH 41 NB over UPRR Mainline

Good

Kootenai County, Idaho · 1.5 N. Post Falls · Structure no. 000000000014246

Built
2022
3 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
141 ft
1 main span
Daily traffic
7,750
2023 count
Owner
State
State Highway Agency

About this bridge

SH 41 NB over UPRR Mainline is a prestressed concrete stringer/multi-beam or girder carrying SH 41 NB over UPRR Mainline in Kootenai County, Idaho. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,750 vehicles a day, roughly 5% of them trucks, projected to reach 11,625 by 2042. The structure is 141 ft (43 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 41 NB
CrossesUPRR Mainline
Location1.5 N. Post Falls
RouteState Highway 41
StateIdaho
Coordinates47.76608, -116.89414
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating62.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length141 ft (43 m)
Longest span137 ft (41.8 m)
Deck width55 ft (16.7 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,750 (2023)
Projected traffic11,625 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 41 NB over UPRR Mainline built?

It was built in 2022, making it 3 years old in 2025.

What condition is SH 41 NB over UPRR Mainline 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 May 2024.

How much traffic does SH 41 NB over UPRR Mainline carry?

About 7,750 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SH 41 NB over UPRR Mainline?

The structure is 141 ft (43 m) long with a longest span of 137 ft (41.8 m) and a deck 55 ft wide.

Who owns SH 41 NB over UPRR Mainline?

It is owned by the State Highway Agency.