US Bridges

County RD 744 over Trib of Loutre Rvr

Fair

Audrain County, Missouri · S 28 T 50 N R 7 W · Structure no. 25120

Built
1987
38 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
42 ft
3 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 744 over Trib of Loutre Rvr is a concrete culvert carrying County RD 744 over Trib of Loutre Rvr in Audrain County, Missouri. It was built in 1987, so it is 38 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 63 by 2043. The structure is 42 ft (12.8 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty RD 744
CrossesTrib of Loutre Rvr
LocationS 28 T 50 N R 7 W
RouteCounty Highway 630
Coordinates39.07445, -91.70546
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 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 inspectionApril 2023
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 alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadOther
Structure length42 ft (12.8 m)
Longest span12 ft (3.7 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic63 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 County RD 744 over Trib of Loutre Rvr built?

It was built in 1987, making it 38 years old in 2025.

What condition is County RD 744 over Trib of Loutre Rvr 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 April 2023.

How much traffic does County RD 744 over Trib of Loutre Rvr carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 744 over Trib of Loutre Rvr?

The structure is 42 ft (12.8 m) long with a longest span of 12 ft (3.7 m) and a deck 36 ft wide.

Who owns County RD 744 over Trib of Loutre Rvr?

It is owned by the County Highway Agency.