US Bridges

Dent Bridge RD over Teton River 053

Good

Chouteau County, Montana · 12M NW Carter · Structure no. L08004011+09001

Built
1986
39 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
204 ft
3 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Dent Bridge RD over Teton River 053 is a prestressed concrete stringer/multi-beam or girder carrying Dent Bridge RD over Teton River 053 in Chouteau County, Montana. It was built in 1986, so it is 39 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 204 ft (62.1 m) long and 27 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesDent Bridge RD
CrossesTeton River 053
Location12M NW Carter
RouteCounty Highway 8004
StateMontana
Coordinates47.87687, -111.19699
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54 US tons
Inventory rating28 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length204 ft (62.1 m)
Longest span72 ft (21.8 m)
Deck width27 ft (8.3 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 closed37.9 mi (61 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 Dent Bridge RD over Teton River 053 built?

It was built in 1986, making it 39 years old in 2025.

What condition is Dent Bridge RD over Teton River 053 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 December 2024.

How much traffic does Dent Bridge RD over Teton River 053 carry?

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

How long is Dent Bridge RD over Teton River 053?

The structure is 204 ft (62.1 m) long with a longest span of 72 ft (21.8 m) and a deck 27 ft wide.

Who owns Dent Bridge RD over Teton River 053?

It is owned by the County Highway Agency.