US Bridges

Meyers RD over Alkali Creek

Good

Treasure County, Montana · 4M NW Myers · Structure no. S00311013+08221

Built
1977
48 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
82 ft
2 main spans
Daily traffic
96
2023 count
Owner
State
State Highway Agency

About this bridge

Meyers RD over Alkali Creek is a prestressed concrete stringer/multi-beam or girder carrying Meyers RD over Alkali Creek in Treasure County, Montana. It was built in 1977, so it is 48 years old, older 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 96 vehicles a day, roughly 14% of them trucks, projected to reach 101 by 2043. The structure is 82 ft (25 m) long and 34 ft wide. If it were closed, the detour would be 46 mi (74 km).

CarriesMeyers RD
CrossesAlkali Creek
Location4M NW Myers
RouteState Highway 311
StateMontana
Coordinates46.25814, -107.40467
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length82 ft (25 m)
Longest span40 ft (12.2 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2023)
Projected traffic101 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed46 mi (74 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Meyers RD over Alkali Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Meyers RD over Alkali Creek 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 January 2024.

How much traffic does Meyers RD over Alkali Creek carry?

About 96 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Meyers RD over Alkali Creek?

The structure is 82 ft (25 m) long with a longest span of 40 ft (12.2 m) and a deck 34 ft wide.

Who owns Meyers RD over Alkali Creek?

It is owned by the State Highway Agency.