US Bridges

US 93 over Sweeney Creek

Good

Ravalli County, Montana · 6M N Stevensville · Structure no. P00007072+09591

Built
2005
20 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
12,007
2023 count
Owner
State
State Highway Agency

About this bridge

US 93 over Sweeney Creek is a prestressed concrete stringer/multi-beam or girder carrying US 93 over Sweeney Creek in Ravalli County, Montana. It was built in 2005, so it is 20 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 12,007 vehicles a day, roughly 2% of them trucks, projected to reach 12,607 by 2043. The structure is 52 ft (16 m) long and 90 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesUS 93
CrossesSweeney Creek
Location6M N Stevensville
RouteU.S. Route 93
StateMontana
Coordinates46.60904, -114.09072
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (16 m)
Longest span52 ft (16 m)
Deck width90 ft (27.4 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,007 (2023)
Projected traffic12,607 by 2043
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes

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 US 93 over Sweeney Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is US 93 over Sweeney 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 June 2023.

How much traffic does US 93 over Sweeney Creek carry?

About 12,007 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is US 93 over Sweeney Creek?

The structure is 52 ft (16 m) long with a longest span of 52 ft (16 m) and a deck 90 ft wide.

Who owns US 93 over Sweeney Creek?

It is owned by the State Highway Agency.