US Bridges

Tebay LN over Jef Riv Overflow 013

Fair

Jefferson County, Montana · 3M W Cardwell · Structure no. L22522001+00001

Built
2003
22 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
72 ft
3 main spans
Daily traffic
180
2023 count
Owner
County
County Highway Agency

About this bridge

Tebay LN over Jef Riv Overflow 013 is a concrete continuous slab carrying Tebay LN over Jef Riv Overflow 013 in Jefferson County, Montana. It was built in 2003, so it is 22 years old, younger 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 180 vehicles a day, roughly 3% of them trucks, projected to reach 193 by 2043. The structure is 72 ft (22 m) long and 30 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesTebay LN
CrossesJef Riv Overflow 013
Location3M W Cardwell
RouteCounty Highway 22522
StateMontana
Coordinates45.85982, -112.01333
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating19 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length72 ft (22 m)
Longest span30 ft (9 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2023)
Projected traffic193 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Tebay LN over Jef Riv Overflow 013 built?

It was built in 2003, making it 22 years old in 2025.

What condition is Tebay LN over Jef Riv Overflow 013 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 September 2023.

How much traffic does Tebay LN over Jef Riv Overflow 013 carry?

About 180 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Tebay LN over Jef Riv Overflow 013?

The structure is 72 ft (22 m) long with a longest span of 30 ft (9 m) and a deck 30 ft wide.

Who owns Tebay LN over Jef Riv Overflow 013?

It is owned by the County Highway Agency.