US Bridges

Mo 94 E over Is 70

Good

St. Charles County, Missouri · S 3280 T 46 N R 5 E · Structure no. 30076

Built
2006
19 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
171 ft
2 main spans
Daily traffic
38,111
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 94 E over Is 70 is a steel continuous stringer/multi-beam or girder carrying Mo 94 E over Is 70 in St. Charles County, Missouri. It was built in 2006, so it is 19 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 38,111 vehicles a day, roughly 6% of them trucks, projected to reach 68,600 by 2044. The structure is 171 ft (52 m) long and 216 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMo 94 E
CrossesIs 70
LocationS 3280 T 46 N R 5 E
RouteState Highway 94
Coordinates38.77679, -90.51177
Functional classUrban Other Principal Arterial

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.
Last inspectionOctober 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 rating96.2 US tons
Inventory rating57.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length171 ft (52 m)
Longest span85 ft (26 m)
Deck width216 ft (65.7 m)
Roadway width201 ft (61.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,111 (2024)
Projected traffic68,600 by 2044
Trucks6%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Mo 94 E over Is 70 built?

It was built in 2006, making it 19 years old in 2025.

What condition is Mo 94 E over Is 70 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 October 2023.

How much traffic does Mo 94 E over Is 70 carry?

About 38,111 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Mo 94 E over Is 70?

The structure is 171 ft (52 m) long with a longest span of 85 ft (26 m) and a deck 216 ft wide.

Who owns Mo 94 E over Is 70?

It is owned by the State Highway Agency.