US Bridges

Jack Reek RD over Jack Creek 065

Good

Madison County, Montana · 4M E Ennis · Structure no. L29122018+01001

Built
2004
21 years old
Condition
Good
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Jack Reek RD over Jack Creek 065 is a prestressed concrete tee beam carrying Jack Reek RD over Jack Creek 065 in Madison County, Montana. It was built in 2004, so it is 21 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 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesJack Reek RD
CrossesJack Creek 065
Location4M E Ennis
RouteCounty Highway 29213
StateMontana
Coordinates45.37869, -111.64249
Functional classRural Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33.2 US tons
Inventory rating17.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.4 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 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 closed11.8 mi (19 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 Jack Reek RD over Jack Creek 065 built?

It was built in 2004, making it 21 years old in 2025.

What condition is Jack Reek RD over Jack Creek 065 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 September 2023.

How much traffic does Jack Reek RD over Jack Creek 065 carry?

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

How long is Jack Reek RD over Jack Creek 065?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.4 m) and a deck 26 ft wide.

Who owns Jack Reek RD over Jack Creek 065?

It is owned by the County Highway Agency.