US Bridges

Surveyor Creek over Surveyor Creek

Good

Mineral County, Montana · Surveyor Creek · Structure no. 011604000024392

Built
2015
10 years old
Condition
Good
inspected July 2021
Type
Slab
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
40
Owner
Federal
U.S. Forest Service

About this bridge

Surveyor Creek over Surveyor Creek is a prestressed concrete slab carrying Surveyor Creek over Surveyor Creek in Mineral 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, projected to reach 60 by 2045. The structure is 37 ft (11.3 m) long and 20 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesSurveyor Creek
CrossesSurveyor Creek
LocationSurveyor Creek
RouteFederal Lands Road 7734
StateMontana
Coordinates46.83848, -114.71249
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length37 ft (11.3 m)
Longest span36 ft (11 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (—)
Projected traffic60 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Surveyor Creek over Surveyor Creek built?

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

What condition is Surveyor Creek over Surveyor 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 July 2021.

How much traffic does Surveyor Creek over Surveyor Creek carry?

About 40 vehicles per day (latest count).

How long is Surveyor Creek over Surveyor Creek?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 20 ft wide.

Who owns Surveyor Creek over Surveyor Creek?

It is owned by the U.S. Forest Service and maintained by the State Highway Agency.