US Bridges

SH 97 over Wolf Lodge Creek

Good

Kootenai County, Idaho · 27.4 N. Harrison · Structure no. 000000000018931

Built
2005
20 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
95 ft
1 main span
Daily traffic
3,200
2023 count
Owner
State
State Highway Agency

About this bridge

SH 97 over Wolf Lodge Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 97 over Wolf Lodge Creek in Kootenai County, Idaho. It was built in 2005, so it is 20 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 3,200 vehicles a day, roughly 25% of them trucks, projected to reach 4,800 by 2042. The structure is 95 ft (29 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 97
CrossesWolf Lodge Creek
Location27.4 N. Harrison
RouteState Highway 97
StateIdaho
Coordinates47.62136, -116.64936
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length95 ft (29 m)
Longest span95 ft (29 m)
Deck width42 ft (12.8 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2023)
Projected traffic4,800 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 97 over Wolf Lodge Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is SH 97 over Wolf Lodge Creek 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 June 2022.

How much traffic does SH 97 over Wolf Lodge Creek carry?

About 3,200 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is SH 97 over Wolf Lodge Creek?

The structure is 95 ft (29 m) long with a longest span of 95 ft (29 m) and a deck 42 ft wide.

Who owns SH 97 over Wolf Lodge Creek?

It is owned by the State Highway Agency.