US Bridges

Frontage Road 332 over Lodge Grass Creek 070

Good

Big Horn County, Montana · S Lodge Grass · Structure no. L02332000+02001

Built
2015
10 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
45
2023 count
Owner
State
State Highway Agency

About this bridge

Frontage Road 332 over Lodge Grass Creek 070 is a prestressed concrete tee beam carrying Frontage Road 332 over Lodge Grass Creek 070 in Big Horn County, Montana. It was built in 2015, so it is 10 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 45 vehicles a day, projected to reach 47 by 2043. The structure is 64 ft (19.5 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFrontage Road 332
CrossesLodge Grass Creek 070
LocationS Lodge Grass
RouteState Highway 2332
StateMontana
Coordinates45.31006, -107.36101
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length64 ft (19.5 m)
Longest span62 ft (18.8 m)
Deck width23 ft (7.1 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2023)
Projected traffic47 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$110,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Frontage Road 332 over Lodge Grass Creek 070 built?

It was built in 2015, making it 10 years old in 2025.

What condition is Frontage Road 332 over Lodge Grass Creek 070 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 August 2023.

How much traffic does Frontage Road 332 over Lodge Grass Creek 070 carry?

About 45 vehicles per day (2023 count).

How long is Frontage Road 332 over Lodge Grass Creek 070?

The structure is 64 ft (19.5 m) long with a longest span of 62 ft (18.8 m) and a deck 23 ft wide.

Who owns Frontage Road 332 over Lodge Grass Creek 070?

It is owned by the State Highway Agency.