US Bridges

Is 70 E over Is 44

Good

St. Louis city, Missouri · S 14 T 45 N R 7 E · Structure no. 33654

Built
2013
12 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
332 ft
3 main spans
Daily traffic
22,244
2024 count
Owner
State
State Highway Agency

About this bridge

Is 70 E over Is 44 is a steel continuous stringer/multi-beam or girder carrying Is 70 E over Is 44 in St. Louis city, Missouri. It was built in 2013, so it is 12 years old, younger than the Missouri average of 45.1 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 22,244 vehicles a day, roughly 18% of them trucks, projected to reach 27,805 by 2044. The structure is 332 ft (101.1 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIs 70 E
CrossesIs 44
LocationS 14 T 45 N R 7 E
RouteInterstate 70
CountySt. Louis city
StateMissouri
Coordinates38.64307, -90.18867
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.4 US tons
Inventory rating41.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length332 ft (101.1 m)
Longest span122 ft (37.2 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deck15 ft (4.7 m)

Traffic and service

Average daily traffic22,244 (2024)
Projected traffic27,805 by 2044
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 70 E over Is 44 built?

It was built in 2013, making it 12 years old in 2025.

What condition is Is 70 E over Is 44 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 July 2023.

How much traffic does Is 70 E over Is 44 carry?

About 22,244 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Is 70 E over Is 44?

The structure is 332 ft (101.1 m) long with a longest span of 122 ft (37.2 m) and a deck 41 ft wide.

Who owns Is 70 E over Is 44?

It is owned by the State Highway Agency.