US Bridges

New Hope RD over Snake Creek 043

Good

Blaine County, Montana · 8M W Harlem · Structure no. L03313014+08001

Built
1987
38 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete Continuous
Length
61 ft
3 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

New Hope RD over Snake Creek 043 is a concrete continuous slab carrying New Hope RD over Snake Creek 043 in Blaine County, Montana. It was built in 1987, so it is 38 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 61 ft (18.6 m) long and 26 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesNew Hope RD
CrossesSnake Creek 043
Location8M W Harlem
RouteCounty Highway 3321
StateMontana
Coordinates48.51395, -108.9414
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 rating35.1 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span23 ft (7 m)
Deck width26 ft (7.9 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 closed19.9 mi (32 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 New Hope RD over Snake Creek 043 built?

It was built in 1987, making it 38 years old in 2025.

What condition is New Hope RD over Snake Creek 043 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 February 2023.

How much traffic does New Hope RD over Snake Creek 043 carry?

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

How long is New Hope RD over Snake Creek 043?

The structure is 61 ft (18.6 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns New Hope RD over Snake Creek 043?

It is owned by the County Highway Agency.