RTE 18 over Six Mile Creek
GoodNiagara County, New York · 2.7 MI E JCT Rts 18 + 18F · Structure no. 000000001014640
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected November 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 54 ft
- 1 main span
- Daily traffic
- 1,705
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
RTE 18 over Six Mile Creek is a prestressed concrete box beam or girders - multiple carrying RTE 18 over Six Mile Creek in Niagara County, New York. It was built in 1989, so it is 36 years old, younger than the New York average of 53 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 1,705 vehicles a day, roughly 5% of them trucks, projected to reach 1,798 by 2041. The structure is 54 ft (16.5 m) long and 45 ft wide. If it were closed, the detour would be 6.8 mi (11 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 RTE 18 over Six Mile Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is RTE 18 over Six Mile 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 November 2023.
How much traffic does RTE 18 over Six Mile Creek carry?
About 1,705 vehicles per day (2017 count), of which roughly 5% are trucks.
How long is RTE 18 over Six Mile Creek?
The structure is 54 ft (16.5 m) long with a longest span of 53 ft (16.1 m) and a deck 45 ft wide.
Who owns RTE 18 over Six Mile Creek?
It is owned by the State Highway Agency.