US Bridges

Kountz RD over Jefferson Riv Ovrflw 016

Fair

Madison County, Montana · 2M S Whitehall · Structure no. L29091000+00001

Built
1977
48 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
269
2023 count
Owner
County
County Highway Agency

About this bridge

Kountz RD over Jefferson Riv Ovrflw 016 is a prestressed concrete tee beam carrying Kountz RD over Jefferson Riv Ovrflw 016 in Madison County, Montana. It was built in 1977, so it is 48 years old, older than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 269 vehicles a day, roughly 3% of them trucks, projected to reach 288 by 2043. The structure is 60 ft (18.3 m) long and 27 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesKountz RD
CrossesJefferson Riv Ovrflw 016
Location2M S Whitehall
RouteCounty Highway 29091
CountyMadison County
StateMontana
Coordinates45.84441, -112.09044
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic269 (2023)
Projected traffic288 by 2043
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 Kountz RD over Jefferson Riv Ovrflw 016 built?

It was built in 1977, making it 48 years old in 2025.

What condition is Kountz RD over Jefferson Riv Ovrflw 016 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does Kountz RD over Jefferson Riv Ovrflw 016 carry?

About 269 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Kountz RD over Jefferson Riv Ovrflw 016?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 27 ft wide.

Who owns Kountz RD over Jefferson Riv Ovrflw 016?

It is owned by the County Highway Agency.