US Bridges

Bozeman Trail RD over Bear Creek

Good

Gallatin County, Montana · 2M SE Bozeman · Structure no. 000000202108024

Built
2019
6 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
2,211
2023 count
Owner
County
County Highway Agency

About this bridge

Bozeman Trail RD over Bear Creek is a concrete slab carrying Bozeman Trail RD over Bear Creek in Gallatin County, Montana. It was built in 2019, so it is 6 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 2,211 vehicles a day, roughly 1% of them trucks, projected to reach 2,366 by 2043. The structure is 25 ft (7.6 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBozeman Trail RD
CrossesBear Creek
Location2M SE Bozeman
RouteCounty Highway 16700
StateMontana
Coordinates45.65263, -110.95245
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span23 ft (6.9 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,211 (2023)
Projected traffic2,366 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bozeman Trail RD over Bear Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Bozeman Trail RD over Bear 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 April 2023.

How much traffic does Bozeman Trail RD over Bear Creek carry?

About 2,211 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Bozeman Trail RD over Bear Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (6.9 m) and a deck 32 ft wide.

Who owns Bozeman Trail RD over Bear Creek?

It is owned by the County Highway Agency.