US Bridges

I 90 over Int S Livingston-Us HWY

Fair

Park County, Montana · Livingston · Structure no. I00090332+09411

Built
1962
63 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
251 ft
5 main spans
Daily traffic
9,461
2023 count
Owner
State
State Highway Agency

About this bridge

I 90 over Int S Livingston-Us HWY is a prestressed concrete stringer/multi-beam or girder carrying I 90 over Int S Livingston-Us HWY in Park County, Montana. It was built in 1962, 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 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 9,461 vehicles a day, roughly 16% of them trucks, projected to reach 10,312 by 2043. The structure is 251 ft (76.5 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesI 90
CrossesInt S Livingston-Us HWY
LocationLivingston
RouteInterstate 90
CountyPark County
StateMontana
Coordinates45.64431, -110.57366
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length251 ft (76.5 m)
Longest span50 ft (15.2 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,461 (2023)
Projected traffic10,312 by 2043
Trucks16%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$705,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 over Int S Livingston-Us HWY built?

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

What condition is I 90 over Int S Livingston-Us HWY 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 September 2024.

How much traffic does I 90 over Int S Livingston-Us HWY carry?

About 9,461 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is I 90 over Int S Livingston-Us HWY?

The structure is 251 ft (76.5 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.

Who owns I 90 over Int S Livingston-Us HWY?

It is owned by the State Highway Agency.