US Bridges

Mo 364 E over Rt K Rp MO364E to Rtkn

Good

St. Charles County, Missouri · S 3225 T 46 N R 3 E · Structure no. 34554

Built
2013
12 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
180 ft
1 main span
Daily traffic
21,830
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 364 E over Rt K Rp MO364E to Rtkn is a steel stringer/multi-beam or girder carrying Mo 364 E over Rt K Rp MO364E to Rtkn in St. Charles County, Missouri. It was built in 2013, so it is 12 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 21,830 vehicles a day, roughly 6% of them trucks, projected to reach 37,111 by 2044. The structure is 180 ft (54.9 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMo 364 E
CrossesRt K Rp MO364E to Rtkn
LocationS 3225 T 46 N R 3 E
RouteState Highway 364
Coordinates38.7533, -90.7003
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating48.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length180 ft (54.9 m)
Longest span177 ft (54 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,830 (2024)
Projected traffic37,111 by 2044
Trucks6%
Lanes on structure2
Traffic directionOne-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mo 364 E over Rt K Rp MO364E to Rtkn built?

It was built in 2013, making it 12 years old in 2025.

What condition is Mo 364 E over Rt K Rp MO364E to Rtkn 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 364 E over Rt K Rp MO364E to Rtkn carry?

About 21,830 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Mo 364 E over Rt K Rp MO364E to Rtkn?

The structure is 180 ft (54.9 m) long with a longest span of 177 ft (54 m) and a deck 41 ft wide.

Who owns Mo 364 E over Rt K Rp MO364E to Rtkn?

It is owned by the State Highway Agency.