US Bridges

E Frontage Road over Wolf Lodge Creek

Poor

Kootenai County, Idaho · 0.6N 1.4E Wolf Lodge JCT · Structure no. 000000000030480

Built
1934
91 years old
Condition
Poor
inspected June 2023
Type
Tee Beam
Concrete
Length
87 ft
3 main spans
Daily traffic
150
2023 count
Owner
Local
Other Local Agency

About this bridge

E Frontage Road over Wolf Lodge Creek is a concrete tee beam carrying E Frontage Road over Wolf Lodge Creek in Kootenai County, Idaho. It was built in 1934, so it is 91 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 150 vehicles a day, roughly 10% of them trucks, projected to reach 225 by 2039. The structure is 87 ft (26.5 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesE Frontage Road
CrossesWolf Lodge Creek
Location0.6N 1.4E Wolf Lodge JCT
RouteCounty Highway 0
StateIdaho
Coordinates47.62892, -116.62217
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length87 ft (26.5 m)
Longest span29 ft (8.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic225 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$868,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was E Frontage Road over Wolf Lodge Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is E Frontage Road over Wolf Lodge Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does E Frontage Road over Wolf Lodge Creek carry?

About 150 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is E Frontage Road over Wolf Lodge Creek?

The structure is 87 ft (26.5 m) long with a longest span of 29 ft (8.8 m) and a deck 27 ft wide.

Who owns E Frontage Road over Wolf Lodge Creek?

It is owned by the Other Local Agency.