US Bridges

Nutter Lease RD over Sep I 15 008

Fair

Toole County, Montana · 4M N Oilmont · Structure no. L51039000+00001

Built
1971
54 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
225 ft
2 main spans
Daily traffic
100
2025 count
Owner
State
State Highway Agency

About this bridge

Nutter Lease RD over Sep I 15 008 is a steel continuous stringer/multi-beam or girder carrying Nutter Lease RD over Sep I 15 008 in Toole County, Montana. It was built in 1971, so it is 54 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 225 ft (68.5 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNutter Lease RD
CrossesSep I 15 008
Location4M N Oilmont
RouteCounty Highway 51039
StateMontana
Coordinates48.79808, -111.86283
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24 US tons
Inventory rating19 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length225 ft (68.5 m)
Longest span110 ft (33.5 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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 Nutter Lease RD over Sep I 15 008 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Nutter Lease RD over Sep I 15 008 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 October 2023.

How much traffic does Nutter Lease RD over Sep I 15 008 carry?

About 100 vehicles per day (2025 count), of which roughly 3% are trucks.

How long is Nutter Lease RD over Sep I 15 008?

The structure is 225 ft (68.5 m) long with a longest span of 110 ft (33.5 m) and a deck 30 ft wide.

Who owns Nutter Lease RD over Sep I 15 008?

It is owned by the State Highway Agency.