US Bridges

Judith River RD over Judith River 015

Good

Judith Basin County, Montana · N Hobson · Structure no. L23137000+04001

Built
2014
11 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

Judith River RD over Judith River 015 is a prestressed concrete tee beam carrying Judith River RD over Judith River 015 in Judith Basin County, Montana. It was built in 2014, so it is 11 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 35 vehicles a day, roughly 3% of them trucks, projected to reach 37 by 2043. The structure is 92 ft (28 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesJudith River RD
CrossesJudith River 015
LocationN Hobson
RouteCounty Highway 23137
StateMontana
Coordinates47.01065, -109.88221
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 protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating47.8 US tons
Inventory rating35.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length92 ft (28 m)
Longest span90 ft (27.4 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic37 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Judith River RD over Judith River 015 built?

It was built in 2014, making it 11 years old in 2025.

What condition is Judith River RD over Judith River 015 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 2024.

How much traffic does Judith River RD over Judith River 015 carry?

About 35 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Judith River RD over Judith River 015?

The structure is 92 ft (28 m) long with a longest span of 90 ft (27.4 m) and a deck 28 ft wide.

Who owns Judith River RD over Judith River 015?

It is owned by the County Highway Agency.