Rt U S over Dudley CR

Good

Ripley County, Missouri · S 11 T 22 N R 2 E · Structure no. 6765

Built: 1956; 69 years old
Condition: Good; inspected December 2023
Type: Culvert; Concrete Continuous
Length: 40 ft; 3 main spans
Daily traffic: 558; 2024 count
Owner: State; State Highway Agency

About this bridge

Rt U S over Dudley CR is a concrete continuous culvert carrying Rt U S over Dudley CR in Ripley County, Missouri. It was built in 1956, so it is 69 years old, older 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 558 vehicles a day, roughly 11% of them trucks, projected to reach 781 by 2044. The structure is 40 ft (12.1 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesRt U S

CrossesDudley CR

LocationS 11 T 22 N R 2 E

RouteState Highway 0U

CountyRipley County

StateMissouri

Coordinates36.5707, -90.82292

Functional classRural Major Collector

Condition and inspection

Good

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

Component	Rating	Meaning
Channel and channel protection	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert	7 Good	Some minor problems.

Last inspectionDecember 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy6: Equal to present minimum criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating52.6 US tons

Inventory rating31.7 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckNot applicable

Main spans3

Design loadH 10

Structure length40 ft (12.1 m)

Longest span12 ft (3.7 m)

Deck width30 ft (9.1 m)

Roadway width28 ft (8.5 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic558 (2024)

Projected traffic781 by 2044

Trucks11%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed123.7 mi (199 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency

Maintained byState 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 Rt U S over Dudley CR built?

It was built in 1956, making it 69 years old in 2025.

What condition is Rt U S over Dudley CR 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 2023.

How much traffic does Rt U S over Dudley CR carry?

About 558 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt U S over Dudley CR?

The structure is 40 ft (12.1 m) long with a longest span of 12 ft (3.7 m) and a deck 30 ft wide.

Who owns Rt U S over Dudley CR?

It is owned by the State Highway Agency.