US Bridges

Mo 94 E over Or 70

Good

St. Charles County, Missouri · S 3280 T 46 N R 5 E · Structure no. 31294

Built
2005
20 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
79 ft
1 main span
Daily traffic
44,488
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 94 E over Or 70 is a prestressed concrete stringer/multi-beam or girder carrying Mo 94 E over Or 70 in St. Charles County, Missouri. It was built in 2005, so it is 20 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 44,488 vehicles a day, roughly 6% of them trucks, projected to reach 80,078 by 2044. The structure is 79 ft (24.1 m) long and 191 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMo 94 E
CrossesOr 70
LocationS 3280 T 46 N R 5 E
RouteState Highway 94
Coordinates38.77631, -90.51294
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 rating89.3 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length79 ft (24.1 m)
Longest span77 ft (23.5 m)
Deck width191 ft (58.3 m)
Roadway width189 ft (57.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,488 (2024)
Projected traffic80,078 by 2044
Trucks6%
Lanes on structure10
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 Or 70 built?

It was built in 2005, making it 20 years old in 2025.

What condition is Mo 94 E over Or 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 Or 70 carry?

About 44,488 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Mo 94 E over Or 70?

The structure is 79 ft (24.1 m) long with a longest span of 77 ft (23.5 m) and a deck 191 ft wide.

Who owns Mo 94 E over Or 70?

It is owned by the State Highway Agency.