E1100 over Cobb Creek
GoodWashita County, Oklahoma · 5.N 2.2W of Colony · Structure no. 216600000000000
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected January 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 143 ft
- 3 main spans
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
E1100 over Cobb Creek is a prestressed concrete stringer/multi-beam or girder carrying E1100 over Cobb Creek in Washita County, Oklahoma. It was built in 1987, so it is 38 years old, younger than the Oklahoma average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 143 ft (43.6 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was E1100 over Cobb Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is E1100 over Cobb Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.
How much traffic does E1100 over Cobb Creek carry?
About 100 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is E1100 over Cobb Creek?
The structure is 143 ft (43.6 m) long with a longest span of 48 ft (14.6 m) and a deck 29 ft wide.
Who owns E1100 over Cobb Creek?
It is owned by the County Highway Agency.