US Bridges

Is 70 E over ST Louis Terminal

Fair

St. Louis city, Missouri · S 2 T 45 N R 7 E · Structure no. 12014

Built
1999
26 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
286 ft
3 main spans
Daily traffic
95,646
2024 count
Owner
State
State Highway Agency

About this bridge

Is 70 E over ST Louis Terminal is a steel continuous stringer/multi-beam or girder carrying Is 70 E over ST Louis Terminal in St. Louis city, Missouri. It was built in 1999, so it is 26 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 95,646 vehicles a day, roughly 18% of them trucks, projected to reach 119,558 by 2044. The structure is 286 ft (87.2 m) long and 173 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesIs 70 E
CrossesST Louis Terminal
LocationS 2 T 45 N R 7 E
RouteInterstate 70
CountySt. Louis city
StateMissouri
Coordinates38.68452, -90.24227
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.3 US tons
Inventory rating50.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length286 ft (87.2 m)
Longest span106 ft (32.3 m)
Deck width173 ft (52.8 m)
Roadway width166 ft (50.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95,646 (2024)
Projected traffic119,558 by 2044
Trucks18%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway 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 Is 70 E over ST Louis Terminal built?

It was built in 1999, making it 26 years old in 2025.

What condition is Is 70 E over ST Louis Terminal 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 July 2023.

How much traffic does Is 70 E over ST Louis Terminal carry?

About 95,646 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Is 70 E over ST Louis Terminal?

The structure is 286 ft (87.2 m) long with a longest span of 106 ft (32.3 m) and a deck 173 ft wide.

Who owns Is 70 E over ST Louis Terminal?

It is owned by the State Highway Agency.