US Bridges

N Four Buttes RD over Butte Creek 012

Good

Daniels County, Montana · 1M N Four Buttes · Structure no. 000000000002614

Built
2017
8 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
102 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

N Four Buttes RD over Butte Creek 012 is a prestressed concrete tee beam carrying N Four Buttes RD over Butte Creek 012 in Daniels County, Montana. It was built in 2017, so it is 8 years old, younger 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 102 ft (31 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesN Four Buttes RD
CrossesButte Creek 012
Location1M N Four Buttes
RouteCounty Highway 10201
StateMontana
Coordinates48.83005, -105.60622
Functional classRural Minor Collector

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61 US tons
Inventory rating47 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length102 ft (31 m)
Longest span99 ft (30.2 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 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
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$210,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N Four Buttes RD over Butte Creek 012 built?

It was built in 2017, making it 8 years old in 2025.

What condition is N Four Buttes RD over Butte Creek 012 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 August 2024.

How much traffic does N Four Buttes RD over Butte Creek 012 carry?

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

How long is N Four Buttes RD over Butte Creek 012?

The structure is 102 ft (31 m) long with a longest span of 99 ft (30.2 m) and a deck 31 ft wide.

Who owns N Four Buttes RD over Butte Creek 012?

It is owned by the County Highway Agency.