US Bridges

S Shore DR over Trib of Mississipp

Fair

St. Charles County, Missouri · S 1 T 47 N R 4 E · Structure no. 35386

Built
2017
8 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
292
2024 count
Owner
County
County Highway Agency

About this bridge

S Shore DR over Trib of Mississipp is a concrete culvert carrying S Shore DR over Trib of Mississipp in St. Charles County, Missouri. It was built in 2017, so it is 8 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 292 vehicles a day, roughly 10% of them trucks, projected to reach 642 by 2044. The structure is 33 ft (10 m) long and 40 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesS Shore DR
CrossesTrib of Mississipp
LocationS 1 T 47 N R 4 E
RouteCounty Highway 14100
CountySt. Charles County
StateMissouri
Coordinates38.86484, -90.51667
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55.6 US tons
Inventory rating42.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length33 ft (10 m)
Longest span15 ft (4.7 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic292 (2024)
Projected traffic642 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S Shore DR over Trib of Mississipp built?

It was built in 2017, making it 8 years old in 2025.

What condition is S Shore DR over Trib of Mississipp 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 February 2024.

How much traffic does S Shore DR over Trib of Mississipp carry?

About 292 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is S Shore DR over Trib of Mississipp?

The structure is 33 ft (10 m) long with a longest span of 15 ft (4.7 m) and a deck 40 ft wide.

Who owns S Shore DR over Trib of Mississipp?

It is owned by the County Highway Agency.