US Bridges

Warren Barret DR over ST Clair CR

Fair

Ralls County, Missouri · S 1 T 56 N R 5 W · Structure no. 18418

Built
1975
50 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
4,103
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Warren Barret DR over ST Clair CR is a concrete culvert carrying Warren Barret DR over ST Clair CR in Ralls County, Missouri. It was built in 1975, so it is 50 years old, older 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 4,103 vehicles a day, roughly 10% of them trucks, projected to reach 5,539 by 2043. The structure is 36 ft (11 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWarren Barret DR
CrossesST Clair CR
LocationS 1 T 56 N R 5 W
RouteCity Street 0
Coordinates39.67983, -91.40117
Functional classUrban Minor 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length36 ft (11 m)
Longest span11 ft (3.4 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,103 (2023)
Projected traffic5,539 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Warren Barret DR over ST Clair CR built?

It was built in 1975, making it 50 years old in 2025.

What condition is Warren Barret DR over ST Clair CR 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 July 2024.

How much traffic does Warren Barret DR over ST Clair CR carry?

About 4,103 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Warren Barret DR over ST Clair CR?

The structure is 36 ft (11 m) long with a longest span of 11 ft (3.4 m) and a deck 46 ft wide.

Who owns Warren Barret DR over ST Clair CR?

It is owned by the City or Municipal Highway Agency.