US Bridges

I 90 WB over Int Gold Creek

Fair

Powell County, Montana · Gold Creek · Structure no. I00090166+02722

Built
1959
66 years old, rebuilt 2004
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
155 ft
3 main spans
Daily traffic
5,992
2023 count
Owner
State
State Highway Agency

About this bridge

I 90 WB over Int Gold Creek is a prestressed concrete stringer/multi-beam or girder carrying I 90 WB over Int Gold Creek in Powell County, Montana. It was built in 1959 and reconstructed in 2004, so it is 66 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 5,992 vehicles a day, roughly 18% of them trucks, projected to reach 6,381 by 2043. The structure is 155 ft (47.2 m) long and 40 ft wide.

CarriesI 90 WB
CrossesInt Gold Creek
LocationGold Creek
RouteInterstate 90
StateMontana
Coordinates46.59219, -112.92824
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating25.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span61 ft (18.6 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,992 (2023)
Projected traffic6,381 by 2043
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 WB over Int Gold Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2004.

What condition is I 90 WB over Int Gold 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 June 2024.

How much traffic does I 90 WB over Int Gold Creek carry?

About 5,992 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I 90 WB over Int Gold Creek?

The structure is 155 ft (47.2 m) long with a longest span of 61 ft (18.6 m) and a deck 40 ft wide.

Who owns I 90 WB over Int Gold Creek?

It is owned by the State Highway Agency.