US Bridges

Tobacco RD over Tobacco River 144

Fair

Lincoln County, Montana · SE Edge Eureka · Structure no. M27040000+00201

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
2,066
2023 count
Owner
County
County Highway Agency

About this bridge

Tobacco RD over Tobacco River 144 is a prestressed concrete tee beam carrying Tobacco RD over Tobacco River 144 in Lincoln County, Montana. It was built in 1968, so it is 57 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 5 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 2,066 vehicles a day, roughly 3% of them trucks, projected to reach 2,211 by 2043. The structure is 61 ft (18.6 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesTobacco RD
CrossesTobacco River 144
LocationSE Edge Eureka
RouteCity Street 27040
StateMontana
Coordinates48.87724, -115.05357
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.9 US tons
Inventory rating18 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span60 ft (18.3 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,066 (2023)
Projected traffic2,211 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Tobacco RD over Tobacco River 144 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Tobacco RD over Tobacco River 144 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 2024.

How much traffic does Tobacco RD over Tobacco River 144 carry?

About 2,066 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Tobacco RD over Tobacco River 144?

The structure is 61 ft (18.6 m) long with a longest span of 60 ft (18.3 m) and a deck 24 ft wide.

Who owns Tobacco RD over Tobacco River 144?

It is owned by the County Highway Agency.