US Bridges

County Road 801 NW over Beaver Creek 047

Good

Hill County, Montana · 2M W Havre · Structure no. L21017000+01001

Built
1991
34 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
1 main span
Daily traffic
57
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 801 NW over Beaver Creek 047 is a steel stringer/multi-beam or girder carrying County Road 801 NW over Beaver Creek 047 in Hill County, Montana. It was built in 1991, so it is 34 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 57 vehicles a day, roughly 3% of them trucks, projected to reach 60 by 2043. The structure is 90 ft (27.4 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesCounty Road 801 NW
CrossesBeaver Creek 047
Location2M W Havre
RouteCounty Highway 21017
CountyHill County
StateMontana
Coordinates48.55909, -109.73625
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.2 US tons
Inventory rating26.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckSteel plate
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span90 ft (27.4 m)
Deck width18 ft (5.6 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57 (2023)
Projected traffic60 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$266,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 801 NW over Beaver Creek 047 built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Road 801 NW over Beaver Creek 047 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 County Road 801 NW over Beaver Creek 047 carry?

About 57 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is County Road 801 NW over Beaver Creek 047?

The structure is 90 ft (27.4 m) long with a longest span of 90 ft (27.4 m) and a deck 18 ft wide.

Who owns County Road 801 NW over Beaver Creek 047?

It is owned by the County Highway Agency.