May Ave. over Northwest Expy under
PoorOklahoma County, Oklahoma · May Ave Separation · Structure no. 128330000000000
- Built
- 1952
- 73 years old
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 186 ft
- 4 main spans
- Daily traffic
- 22,000
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
May Ave. over Northwest Expy under is a steel stringer/multi-beam or girder carrying May Ave. over Northwest Expy under in Oklahoma County, Oklahoma. It was built in 1952, so it is 73 years old, older than the Oklahoma average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 22,000 vehicles a day, roughly 7% of them trucks, projected to reach 35,200 by 2042. The structure is 186 ft (56.7 m) long and 70 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was May Ave. over Northwest Expy under built?
It was built in 1952, making it 73 years old in 2025.
What condition is May Ave. over Northwest Expy under in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.
How much traffic does May Ave. over Northwest Expy under carry?
About 22,000 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is May Ave. over Northwest Expy under?
The structure is 186 ft (56.7 m) long with a longest span of 52 ft (15.8 m) and a deck 70 ft wide.
Who owns May Ave. over Northwest Expy under?
It is owned by the City or Municipal Highway Agency.