US Bridges

Mo 94 W over Rp MO364W to NOR94W

Fair

St. Charles County, Missouri · S 1198 T 46 N R 4 E · Structure no. 12121

Built
2001
24 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
106 ft
1 main span
Daily traffic
34,659
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 94 W over Rp MO364W to NOR94W is a prestressed concrete tee beam carrying Mo 94 W over Rp MO364W to NOR94W in St. Charles 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 34,659 vehicles a day, roughly 4% of them trucks, projected to reach 62,386 by 2044. The structure is 106 ft (32.3 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesMo 94 W
CrossesRp MO364W to NOR94W
LocationS 1198 T 46 N R 4 E
RouteState Highway 94
CountySt. Charles County
StateMissouri
Coordinates38.75486, -90.54788
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating69.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length106 ft (32.3 m)
Longest span106 ft (32.3 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,659 (2024)
Projected traffic62,386 by 2044
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 W over Rp MO364W to NOR94W built?

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

What condition is Mo 94 W over Rp MO364W to NOR94W 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 2023.

How much traffic does Mo 94 W over Rp MO364W to NOR94W carry?

About 34,659 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Mo 94 W over Rp MO364W to NOR94W?

The structure is 106 ft (32.3 m) long with a longest span of 106 ft (32.3 m) and a deck 42 ft wide.

Who owns Mo 94 W over Rp MO364W to NOR94W?

It is owned by the State Highway Agency.