US Bridges

Lolo Creek Road over Lolo Creek

Good

Idaho County, Idaho · 1.2 S. 4.6 E. Woodland · Structure no. 000000000029365

Built
1981
44 years old
Condition
Good
inspected June 2021
Type
Tee Beam
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Lolo Creek Road over Lolo Creek is a prestressed concrete tee beam carrying Lolo Creek Road over Lolo Creek in Idaho County, Idaho. It was built in 1981, so it is 44 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 45 by 2039. The structure is 65 ft (19.8 m) long and 20 ft wide. If it were closed, the detour would be 51 mi (82 km).

CarriesLolo Creek Road
CrossesLolo Creek
Location1.2 S. 4.6 E. Woodland
RouteCounty Highway 0
StateIdaho
Coordinates46.29394, -115.97481
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92 US tons
Inventory rating42 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span64 ft (19.5 m)
Deck width20 ft (6.1 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2039
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed51 mi (82 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 Lolo Creek Road over Lolo Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Lolo Creek Road over Lolo 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 2021.

How much traffic does Lolo Creek Road over Lolo Creek carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Lolo Creek Road over Lolo Creek?

The structure is 65 ft (19.8 m) long with a longest span of 64 ft (19.5 m) and a deck 20 ft wide.

Who owns Lolo Creek Road over Lolo Creek?

It is owned by the County Highway Agency.