US Bridges

County RD # 513 over Drain Dtch

Good

Dunklin County, Missouri · S 10 T 17 N R 8 E · Structure no. 23490

Built
1990
35 years old
Condition
Good
inspected January 2024
Type
Tee Beam
Prestressed Concrete
Length
77 ft
3 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

County RD # 513 over Drain Dtch is a prestressed concrete tee beam carrying County RD # 513 over Drain Dtch in Dunklin County, Missouri. It was built in 1990, so it is 35 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2044. The structure is 77 ft (23.5 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty RD # 513
CrossesDrain Dtch
LocationS 10 T 17 N R 8 E
RouteCounty Highway 410
Coordinates36.12101, -90.19532
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span22 ft (6.7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic70 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 # 513 over Drain Dtch built?

It was built in 1990, making it 35 years old in 2025.

What condition is County RD # 513 over Drain Dtch 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 January 2024.

How much traffic does County RD # 513 over Drain Dtch carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD # 513 over Drain Dtch?

The structure is 77 ft (23.5 m) long with a longest span of 22 ft (6.7 m) and a deck 27 ft wide.

Who owns County RD # 513 over Drain Dtch?

It is owned by the County Highway Agency.