US Bridges

Strauch RD over Bbwa Canal 063

Good

Yellowstone County, Montana · 1M E Laurel · Structure no. M56069000+00801

Built
2014
11 years old
Condition
Good
inspected March 2024
Type
Tee Beam
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Strauch RD over Bbwa Canal 063 is a prestressed concrete tee beam carrying Strauch RD over Bbwa Canal 063 in Yellowstone County, Montana. It was built in 2014, so it is 11 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 65 ft (19.9 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesStrauch RD
CrossesBbwa Canal 063
Location1M E Laurel
RouteCity Street 56069
StateMontana
Coordinates45.65937, -108.74057
Functional classUrban 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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
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 alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating28 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length65 ft (19.9 m)
Longest span62 ft (18.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 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 closed123.7 mi (199 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$63,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Strauch RD over Bbwa Canal 063 built?

It was built in 2014, making it 11 years old in 2025.

What condition is Strauch RD over Bbwa Canal 063 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 March 2024.

How much traffic does Strauch RD over Bbwa Canal 063 carry?

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

How long is Strauch RD over Bbwa Canal 063?

The structure is 65 ft (19.9 m) long with a longest span of 62 ft (18.8 m) and a deck 26 ft wide.

Who owns Strauch RD over Bbwa Canal 063?

It is owned by the County Highway Agency.