US Bridges

Mo 94 E over Is 64

Good

St. Charles County, Missouri · S 28 T 46 N R 3 E · Structure no. 12028

Built
2000
25 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
322 ft
2 main spans
Daily traffic
31,517
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 94 E over Is 64 is a steel continuous stringer/multi-beam or girder carrying Mo 94 E over Is 64 in St. Charles 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 31,517 vehicles a day, roughly 9% of them trucks, projected to reach 56,731 by 2044. The structure is 322 ft (98.1 m) long and 94 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMo 94 E
CrossesIs 64
LocationS 28 T 46 N R 3 E
RouteState Highway 94
Coordinates38.71176, -90.69034
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.3 US tons
Inventory rating53.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length322 ft (98.1 m)
Longest span139 ft (42.5 m)
Deck width94 ft (28.6 m)
Roadway width91 ft (27.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,517 (2024)
Projected traffic56,731 by 2044
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 64 built?

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

What condition is Mo 94 E over Is 64 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 2023.

How much traffic does Mo 94 E over Is 64 carry?

About 31,517 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Mo 94 E over Is 64?

The structure is 322 ft (98.1 m) long with a longest span of 139 ft (42.5 m) and a deck 94 ft wide.

Who owns Mo 94 E over Is 64?

It is owned by the State Highway Agency.