US Bridges

I 94 over Dixon Creek

Fair

Custer County, Montana · 14M NE Miles City · Structure no. I00094152+05501

Built
1984
41 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
304 ft
3 main spans
Daily traffic
2,232
2023 count
Owner
State
State Highway Agency

About this bridge

I 94 over Dixon Creek is a prestressed concrete stringer/multi-beam or girder carrying I 94 over Dixon Creek in Custer County, Montana. It was built in 1984, so it is 41 years old, younger 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 5 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 2,232 vehicles a day, roughly 24% of them trucks, projected to reach 2,343 by 2043. The structure is 304 ft (92.6 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 94
CrossesDixon Creek
Location14M NE Miles City
RouteInterstate 94
CountyCuster County
StateMontana
Coordinates46.54988, -105.63721
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length304 ft (92.6 m)
Longest span100 ft (30.5 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,232 (2023)
Projected traffic2,343 by 2043
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Dixon Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is I 94 over Dixon Creek 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 August 2023.

How much traffic does I 94 over Dixon Creek carry?

About 2,232 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is I 94 over Dixon Creek?

The structure is 304 ft (92.6 m) long with a longest span of 100 ft (30.5 m) and a deck 44 ft wide.

Who owns I 94 over Dixon Creek?

It is owned by the State Highway Agency.