US Bridges

US 93 over Wildlife Crossing

Good

Lake County, Montana · 2 Miles North of Ronan · Structure no. 000000202108030

Built
2007
18 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
10,897
2023 count
Owner
State
State Highway Agency

About this bridge

US 93 over Wildlife Crossing is a concrete culvert carrying US 93 over Wildlife Crossing in Lake County, Montana. It was built in 2007, so it is 18 years old, younger than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,897 vehicles a day, roughly 3% of them trucks, projected to reach 11,442 by 2043. The structure is 29 ft (8.8 m) long and 127 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 93
CrossesWildlife Crossing
Location2 Miles North of Ronan
RouteU.S. Route 93
StateMontana
Coordinates47.5581, -114.11306
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
Culvert9 ExcellentNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation*: *
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating—
Inventory rating—

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width127 ft (38.7 m)
Roadway width127 ft (38.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,897 (2023)
Projected traffic11,442 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 93 over Wildlife Crossing built?

It was built in 2007, making it 18 years old in 2025.

What condition is US 93 over Wildlife Crossing 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 January 2024.

How much traffic does US 93 over Wildlife Crossing carry?

About 10,897 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US 93 over Wildlife Crossing?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 127 ft wide.

Who owns US 93 over Wildlife Crossing?

It is owned by the State Highway Agency.