US Bridges

County RD 319 over Drain Dtch No 29

Good

Mississippi County, Missouri · S 15 T 25 N R 17 E · Structure no. 37134

Built
2023
2 years old
Condition
Good
inspected December 2024
Type
Culvert
Steel
Length
37 ft
3 main spans
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 319 over Drain Dtch No 29 is a steel culvert carrying County RD 319 over Drain Dtch No 29 in Mississippi County, Missouri. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 13 by 2044. The structure is 37 ft (11.4 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty RD 319
CrossesDrain Dtch No 29
LocationS 15 T 25 N R 17 E
RouteCounty Highway 71
Coordinates36.81389, -89.20028
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.4 m)
Longest span10 ft (3 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic13 by 2044
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 319 over Drain Dtch No 29 built?

It was built in 2023, making it 2 years old in 2025.

What condition is County RD 319 over Drain Dtch No 29 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 December 2024.

How much traffic does County RD 319 over Drain Dtch No 29 carry?

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

How long is County RD 319 over Drain Dtch No 29?

The structure is 37 ft (11.4 m) long with a longest span of 10 ft (3 m) and a deck 20 ft wide.

Who owns County RD 319 over Drain Dtch No 29?

It is owned by the County Highway Agency.