D1991 over Salt Creek Trib.
FairHarper County, Oklahoma · 8S of Selman · Structure no. 159890000000000
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Concrete
- Length
- 90 ft
- 3 main spans
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
D1991 over Salt Creek Trib. is a concrete stringer/multi-beam or girder carrying D1991 over Salt Creek Trib. in Harper County, Oklahoma. It was built in 1964, so it is 61 years old, older than the Oklahoma average of 47.8 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 90 ft (27.4 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was D1991 over Salt Creek Trib. built?
It was built in 1964, making it 61 years old in 2025.
What condition is D1991 over Salt Creek Trib. 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 February 2023.
How much traffic does D1991 over Salt Creek Trib. carry?
About 100 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is D1991 over Salt Creek Trib.?
The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.
Who owns D1991 over Salt Creek Trib.?
It is owned by the County Highway Agency.