US Bridges

K-5 over Mid Prong Beaver D

Fair

Ripley County, Missouri · S 36 T 25 N R 3 E · Structure no. 13751

Built
1977
48 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
20 ft
3 main spans
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

K-5 over Mid Prong Beaver D is a concrete continuous slab carrying K-5 over Mid Prong Beaver D in Ripley County, Missouri. It was built in 1977, so it is 48 years old, older 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 5 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 48 by 2043. The structure is 20 ft (6.1 m) long and 20 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesK-5
CrossesMid Prong Beaver D
LocationS 36 T 25 N R 3 E
RouteCounty Highway 46
Coordinates36.7808, -90.6875
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating45.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length20 ft (6.1 m)
Longest span6 ft (1.8 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic48 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 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 K-5 over Mid Prong Beaver D built?

It was built in 1977, making it 48 years old in 2025.

What condition is K-5 over Mid Prong Beaver D 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 February 2025.

How much traffic does K-5 over Mid Prong Beaver D carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is K-5 over Mid Prong Beaver D?

The structure is 20 ft (6.1 m) long with a longest span of 6 ft (1.8 m) and a deck 20 ft wide.

Who owns K-5 over Mid Prong Beaver D?

It is owned by the County Highway Agency.