Ramp D over Lambert Intl DR
FairSt. Louis city, Missouri · S 2524 T 46 N R 6 E · Structure no. 13678
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 284 ft
- 3 main spans
- Daily traffic
- 3,000
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Ramp D over Lambert Intl DR is a steel continuous stringer/multi-beam or girder carrying Ramp D over Lambert Intl DR in St. Louis city, Missouri. It was built in 1988, so it is 37 years old, younger than the Missouri average of 45.1 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 3,000 vehicles a day, roughly 2% of them trucks, projected to reach 4,050 by 2044. The structure is 284 ft (86.6 m) long and 20 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ramp D over Lambert Intl DR built?
It was built in 1988, making it 37 years old in 2025.
What condition is Ramp D over Lambert Intl DR 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 April 2024.
How much traffic does Ramp D over Lambert Intl DR carry?
About 3,000 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is Ramp D over Lambert Intl DR?
The structure is 284 ft (86.6 m) long with a longest span of 113 ft (34.4 m) and a deck 20 ft wide.
Who owns Ramp D over Lambert Intl DR?
It is owned by the City or Municipal Highway Agency and maintained by the Other Local Agency.