US Bridges

Is 70 E over Coldwater CR

Good

St. Louis County, Missouri · S 2524 T 46 N R 6 E · Structure no. 12022

Built
2000
25 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
117 ft
3 main spans
Daily traffic
75,943
2024 count
Owner
State
State Highway Agency

About this bridge

Is 70 E over Coldwater CR is a concrete continuous slab carrying Is 70 E over Coldwater CR in St. Louis County, Missouri. It was built in 2000, so it is 25 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 75,943 vehicles a day, roughly 18% of them trucks, projected to reach 94,929 by 2044. The structure is 117 ft (35.7 m) long and 71 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 70 E
CrossesColdwater CR
LocationS 2524 T 46 N R 6 E
RouteInterstate 70
CountySt. Louis County
StateMissouri
Coordinates38.74299, -90.381
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length117 ft (35.7 m)
Longest span44 ft (13.4 m)
Deck width71 ft (21.7 m)
Roadway width69 ft (20.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75,943 (2024)
Projected traffic94,929 by 2044
Trucks18%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Is 70 E over Coldwater CR built?

It was built in 2000, making it 25 years old in 2025.

What condition is Is 70 E over Coldwater CR 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 September 2024.

How much traffic does Is 70 E over Coldwater CR carry?

About 75,943 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Is 70 E over Coldwater CR?

The structure is 117 ft (35.7 m) long with a longest span of 44 ft (13.4 m) and a deck 71 ft wide.

Who owns Is 70 E over Coldwater CR?

It is owned by the State Highway Agency.