US Bridges

Rt Hh W over Main Dtch

Good

Dunklin County, Missouri · S 27 T 20 N R 10 E · Structure no. 35149

Built
2016
9 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
98
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Hh W over Main Dtch is a concrete continuous culvert carrying Rt Hh W over Main Dtch in Dunklin County, Missouri. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 98 vehicles a day, roughly 18% of them trucks, projected to reach 137 by 2044. The structure is 34 ft (10.5 m) long and 43 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRt Hh W
CrossesMain Dtch
LocationS 27 T 20 N R 10 E
RouteState Highway 0HH
Coordinates36.33785, -89.96541
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length34 ft (10.5 m)
Longest span16 ft (4.9 m)
Deck width43 ft (13.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98 (2024)
Projected traffic137 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt Hh W over Main Dtch built?

It was built in 2016, making it 9 years old in 2025.

What condition is Rt Hh W over Main 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 November 2024.

How much traffic does Rt Hh W over Main Dtch carry?

About 98 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Rt Hh W over Main Dtch?

The structure is 34 ft (10.5 m) long with a longest span of 16 ft (4.9 m) and a deck 43 ft wide.

Who owns Rt Hh W over Main Dtch?

It is owned by the State Highway Agency.