US Bridges

Is 70 E over Cst Jennings Station RD

Fair

St. Louis County, Missouri · S 19 T 46 N R 7 E · Structure no. 12025

Built
2001
24 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
231 ft
3 main spans
Daily traffic
141,512
2024 count
Owner
State
State Highway Agency

About this bridge

Is 70 E over Cst Jennings Station RD is a steel continuous stringer/multi-beam or girder carrying Is 70 E over Cst Jennings Station RD in St. Louis County, Missouri. It was built in 2001, so it is 24 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 141,512 vehicles a day, roughly 18% of them trucks, projected to reach 176,890 by 2044. The structure is 231 ft (70.4 m) long and 114 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 70 E
CrossesCst Jennings Station RD
LocationS 19 T 46 N R 7 E
RouteInterstate 70
CountySt. Louis County
StateMissouri
Coordinates38.70281, -90.2691
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.3 US tons
Inventory rating52.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length231 ft (70.4 m)
Longest span113 ft (34.5 m)
Deck width114 ft (34.7 m)
Roadway width109 ft (33.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic141,512 (2024)
Projected traffic176,890 by 2044
Trucks18%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 Cst Jennings Station RD built?

It was built in 2001, making it 24 years old in 2025.

What condition is Is 70 E over Cst Jennings Station RD 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 September 2024.

How much traffic does Is 70 E over Cst Jennings Station RD carry?

About 141,512 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Is 70 E over Cst Jennings Station RD?

The structure is 231 ft (70.4 m) long with a longest span of 113 ft (34.5 m) and a deck 114 ft wide.

Who owns Is 70 E over Cst Jennings Station RD?

It is owned by the State Highway Agency.