US Bridges

I 94 over Jones Creek-Stockpass

Fair

Custer County, Montana · 8M NE Miles City · Structure no. I00094146+05101

Built
1962
63 years old, rebuilt 1974
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
24 ft
1 main span
Daily traffic
4,393
2023 count
Owner
State
State Highway Agency

About this bridge

I 94 over Jones Creek-Stockpass is a steel culvert carrying I 94 over Jones Creek-Stockpass in Custer County, Montana. It was built in 1962 and reconstructed in 1974, so it is 63 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 4,393 vehicles a day, roughly 26% of them trucks, projected to reach 4,613 by 2043. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesI 94
CrossesJones Creek-Stockpass
Location8M NE Miles City
RouteInterstate 94
StateMontana
Coordinates46.48646, -105.71798
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span24 ft (7.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,393 (2023)
Projected traffic4,613 by 2043
Trucks26%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 94 over Jones Creek-Stockpass built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1974.

What condition is I 94 over Jones Creek-Stockpass 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 June 2024.

How much traffic does I 94 over Jones Creek-Stockpass carry?

About 4,393 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is I 94 over Jones Creek-Stockpass?

The structure is 24 ft (7.4 m) long with a longest span of 24 ft (7.4 m).

Who owns I 94 over Jones Creek-Stockpass?

It is owned by the State Highway Agency.