US Bridges

Ramp a over No Feature

Fair

St. Louis city, Missouri · S 2524 T 46 N R 6 E · Structure no. 13677

Built
1988
37 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
569 ft
5 main spans
Daily traffic
12,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ramp a over No Feature is a steel continuous stringer/multi-beam or girder carrying Ramp a over No Feature 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 12,000 vehicles a day, roughly 2% of them trucks, projected to reach 16,200 by 2044. The structure is 569 ft (173.4 m) long and 20 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRamp a
CrossesNo Feature
LocationS 2524 T 46 N R 6 E
RouteCity Street 0
CountySt. Louis city
StateMissouri
Coordinates38.74083, -90.36468
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length569 ft (173.4 m)
Longest span122 ft (37.2 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deck17 ft (5 m)

Traffic and service

Average daily traffic12,000 (2024)
Projected traffic16,200 by 2044
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byOther Local Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp a over No Feature built?

It was built in 1988, making it 37 years old in 2025.

What condition is Ramp a over No Feature 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 a over No Feature carry?

About 12,000 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Ramp a over No Feature?

The structure is 569 ft (173.4 m) long with a longest span of 122 ft (37.2 m) and a deck 20 ft wide.

Who owns Ramp a over No Feature?

It is owned by the City or Municipal Highway Agency and maintained by the Other Local Agency.