US Bridges

I 90 over Int Reed Point

Good

Stillwater County, Montana · Reed Point · Structure no. I00090392+01172

Built
1963
62 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
134 ft
3 main spans
Daily traffic
5,423
2023 count
Owner
State
State Highway Agency

About this bridge

I 90 over Int Reed Point is a prestressed concrete stringer/multi-beam or girder carrying I 90 over Int Reed Point in Stillwater County, Montana. It was built in 1963, so it is 62 years old, older than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,423 vehicles a day, roughly 20% of them trucks, projected to reach 5,829 by 2043. The structure is 134 ft (40.8 m) long and 41 ft wide.

CarriesI 90
CrossesInt Reed Point
LocationReed Point
RouteInterstate 90
StateMontana
Coordinates45.70516, -109.54185
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span52 ft (15.8 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,423 (2023)
Projected traffic5,829 by 2043
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 over Int Reed Point built?

It was built in 1963, making it 62 years old in 2025.

What condition is I 90 over Int Reed Point in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does I 90 over Int Reed Point carry?

About 5,423 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is I 90 over Int Reed Point?

The structure is 134 ft (40.8 m) long with a longest span of 52 ft (15.8 m) and a deck 41 ft wide.

Who owns I 90 over Int Reed Point?

It is owned by the State Highway Agency.