US Bridges

I 94 over Pryor Creek

Fair

Yellowstone County, Montana · 0.6M E Huntley · Structure no. I00094006+05322

Built
1967
58 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
312 ft
6 main spans
Daily traffic
3,045
2023 count
Owner
State
State Highway Agency

About this bridge

I 94 over Pryor Creek is a prestressed concrete stringer/multi-beam or girder carrying I 94 over Pryor Creek in Yellowstone County, Montana. It was built in 1967, so it is 58 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 3,045 vehicles a day, roughly 22% of them trucks, projected to reach 3,196 by 2043. The structure is 312 ft (95.2 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 94
CrossesPryor Creek
Location0.6M E Huntley
RouteInterstate 94
StateMontana
Coordinates45.88723, -108.30313
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating29 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length312 ft (95.2 m)
Longest span62 ft (18.9 m)
Deck width36 ft (10.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,045 (2023)
Projected traffic3,196 by 2043
Trucks22%
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 Pryor Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is I 94 over Pryor 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 April 2024.

How much traffic does I 94 over Pryor Creek carry?

About 3,045 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is I 94 over Pryor Creek?

The structure is 312 ft (95.2 m) long with a longest span of 62 ft (18.9 m) and a deck 36 ft wide.

Who owns I 94 over Pryor Creek?

It is owned by the State Highway Agency.