US Bridges

Tauck RD over Box Elder Creek 023

Good

Carter County, Montana · 21M NE Hammond · Structure no. L06040000+09001

Built
2013
12 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Tauck RD over Box Elder Creek 023 is a steel stringer/multi-beam or girder carrying Tauck RD over Box Elder Creek 023 in Carter County, Montana. It was built in 2013, so it is 12 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 75 ft (22.9 m) long and 25 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesTauck RD
CrossesBox Elder Creek 023
Location21M NE Hammond
RouteCounty Highway 6040
StateMontana
Coordinates45.39464, -104.61344
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span73 ft (22.4 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 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 closed11.2 mi (18 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Tauck RD over Box Elder Creek 023 built?

It was built in 2013, making it 12 years old in 2025.

What condition is Tauck RD over Box Elder Creek 023 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 2023.

How much traffic does Tauck RD over Box Elder Creek 023 carry?

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

How long is Tauck RD over Box Elder Creek 023?

The structure is 75 ft (22.9 m) long with a longest span of 73 ft (22.4 m) and a deck 25 ft wide.

Who owns Tauck RD over Box Elder Creek 023?

It is owned by the County Highway Agency.