US Bridges

S Peak RD over Arrow Creek 038

Good

Judith Basin County, Montana · 6M NW Geyser · Structure no. L23220000+06001

Built
2009
16 years old, rebuilt 2013
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

S Peak RD over Arrow Creek 038 is a steel stringer/multi-beam or girder carrying S Peak RD over Arrow Creek 038 in Judith Basin County, Montana. It was built in 2009 and reconstructed in 2013, so it is 16 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 50 ft (15.2 m) long and 25 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesS Peak RD
CrossesArrow Creek 038
Location6M NW Geyser
RouteCounty Highway 23206
StateMontana
Coordinates47.32138, -110.52172
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.1 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was S Peak RD over Arrow Creek 038 built?

It was built in 2009, making it 16 years old in 2025. It was reconstructed in 2013.

What condition is S Peak RD over Arrow Creek 038 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 2024.

How much traffic does S Peak RD over Arrow Creek 038 carry?

About 100 vehicles per day (2025 count), of which roughly 3% are trucks.

How long is S Peak RD over Arrow Creek 038?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.1 m) and a deck 25 ft wide.

Who owns S Peak RD over Arrow Creek 038?

It is owned by the County Highway Agency.