Nd Highway 14 over Lone Tree Reservoir
FairSheridan County, North Dakota · 12 South of U.S. HWY 52 · Structure no. 0014061107
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected October 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 254 ft
- 3 main spans
- Daily traffic
- 280
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Nd Highway 14 over Lone Tree Reservoir is a prestressed concrete continuous box beam or girders - single or spread carrying Nd Highway 14 over Lone Tree Reservoir in Sheridan County, North Dakota. It was built in 1977, so it is 48 years old, younger than the North Dakota average of 48.2 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 280 vehicles a day, roughly 18% of them trucks, projected to reach 280 by 2039. The structure is 254 ft (77.4 m) long and 38 ft wide. If it were closed, the detour would be 36 mi (58 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nd Highway 14 over Lone Tree Reservoir built?
It was built in 1977, making it 48 years old in 2025.
What condition is Nd Highway 14 over Lone Tree Reservoir 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 2024.
How much traffic does Nd Highway 14 over Lone Tree Reservoir carry?
About 280 vehicles per day (2019 count), of which roughly 18% are trucks.
How long is Nd Highway 14 over Lone Tree Reservoir?
The structure is 254 ft (77.4 m) long with a longest span of 83 ft (25.3 m) and a deck 38 ft wide.
Who owns Nd Highway 14 over Lone Tree Reservoir?
It is owned by the State Highway Agency.