US Bridges

Burma RD over Big Hole River over 062

Good

Madison County, Montana · 1M SE Glen · Structure no. L29141015+07001

Built
2000
25 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Burma RD over Big Hole River over 062 is a prestressed concrete stringer/multi-beam or girder carrying Burma RD over Big Hole River over 062 in Madison County, Montana. It was built in 2000, so it is 25 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 107 ft (32.7 m) long and 26 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

CarriesBurma RD
CrossesBig Hole River over 062
Location1M SE Glen
RouteCounty Highway 29141
StateMontana
Coordinates45.46848, -112.66361
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53 US tons
Inventory rating28 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length107 ft (32.7 m)
Longest span105 ft (32 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 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 closed42.3 mi (68 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Burma RD over Big Hole River over 062 built?

It was built in 2000, making it 25 years old in 2025.

What condition is Burma RD over Big Hole River over 062 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 May 2023.

How much traffic does Burma RD over Big Hole River over 062 carry?

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

How long is Burma RD over Big Hole River over 062?

The structure is 107 ft (32.7 m) long with a longest span of 105 ft (32 m) and a deck 26 ft wide.

Who owns Burma RD over Big Hole River over 062?

It is owned by the County Highway Agency.