US Bridges

Mission Creek Road over Mission Creek

Good

Park County, Montana · 9M SE Livinston · Structure no. 000000201908000

Built
2019
6 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
24
2023 count
Owner
County
County Highway Agency

About this bridge

Mission Creek Road over Mission Creek is a prestressed concrete slab carrying Mission Creek Road over Mission Creek in Park 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 24 vehicles a day, projected to reach 25 by 2043. The structure is 25 ft (7.6 m) long and 27 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesMission Creek Road
CrossesMission Creek
Location9M SE Livinston
RouteCounty Highway 34295
CountyPark County
StateMontana
Coordinates45.62253, -110.37623
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.1 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2023)
Projected traffic25 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mission Creek Road over Mission Creek built?

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

What condition is Mission Creek Road over Mission 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 October 2023.

How much traffic does Mission Creek Road over Mission Creek carry?

About 24 vehicles per day (2023 count).

How long is Mission Creek Road over Mission Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 27 ft wide.

Who owns Mission Creek Road over Mission Creek?

It is owned by the County Highway Agency.