US Bridges

US 94 over Int Baker-I 94

Fair

Custer County, Montana · 2M NE Miles City · Structure no. P00002006+01971

Built
1974
51 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
270 ft
4 main spans
Daily traffic
585
2023 count
Owner
State
State Highway Agency

About this bridge

US 94 over Int Baker-I 94 is a steel continuous stringer/multi-beam or girder carrying US 94 over Int Baker-I 94 in Custer County, Montana. It was built in 1974, so it is 51 years old, older than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 585 vehicles a day, roughly 11% of them trucks, projected to reach 614 by 2043. The structure is 270 ft (82.4 m) long and 46 ft wide.

CarriesUS 94
CrossesInt Baker-I 94
Location2M NE Miles City
RouteState Highway 94
StateMontana
Coordinates46.42618, -105.78656
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating29 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length270 ft (82.4 m)
Longest span89 ft (27.1 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic585 (2023)
Projected traffic614 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 94 over Int Baker-I 94 built?

It was built in 1974, making it 51 years old in 2025.

What condition is US 94 over Int Baker-I 94 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does US 94 over Int Baker-I 94 carry?

About 585 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US 94 over Int Baker-I 94?

The structure is 270 ft (82.4 m) long with a longest span of 89 ft (27.1 m) and a deck 46 ft wide.

Who owns US 94 over Int Baker-I 94?

It is owned by the State Highway Agency.