US Bridges

14th ST SE over Lone Tree Creek

Fair

Richland County, Montana · S Edge SIDNEY-14th ST SE · Structure no. U10402000+02061

Built
1973
52 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
90 ft
4 main spans
Daily traffic
3,099
2023 count
Owner
State
State Highway Agency

About this bridge

14th ST SE over Lone Tree Creek is a concrete continuous slab carrying 14th ST SE over Lone Tree Creek in Richland County, Montana. It was built in 1973, so it is 52 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 3,099 vehicles a day, roughly 7% of them trucks, projected to reach 3,254 by 2043. The structure is 90 ft (27.4 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries14th ST SE
CrossesLone Tree Creek
LocationS Edge SIDNEY-14th ST SE
RouteCity Street 10402
CountyRichland County
StateMontana
Coordinates47.70354, -104.16127
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span25 ft (7.6 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,099 (2023)
Projected traffic3,254 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 14th ST SE over Lone Tree Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is 14th ST SE over Lone Tree Creek 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 May 2024.

How much traffic does 14th ST SE over Lone Tree Creek carry?

About 3,099 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is 14th ST SE over Lone Tree Creek?

The structure is 90 ft (27.4 m) long with a longest span of 25 ft (7.6 m) and a deck 48 ft wide.

Who owns 14th ST SE over Lone Tree Creek?

It is owned by the State Highway Agency.