US Bridges

County RD 6080 over Dry Fork CR

Fair

Dent County, Missouri · S 12 T 33 N R 7 W · Structure no. 17924

Built
1930
95 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete Continuous
Length
25 ft
3 main spans
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 6080 over Dry Fork CR is a concrete continuous culvert carrying County RD 6080 over Dry Fork CR in Dent County, Missouri. It was built in 1930, so it is 95 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 36 by 2043. The structure is 25 ft (7.6 m) long and 20 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesCounty RD 6080
CrossesDry Fork CR
LocationS 12 T 33 N R 7 W
RouteCounty Highway 167
CountyDent County
StateMissouri
Coordinates37.5727, -91.6598
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic36 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$153,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 6080 over Dry Fork CR built?

It was built in 1930, making it 95 years old in 2025.

What condition is County RD 6080 over Dry Fork CR 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 County RD 6080 over Dry Fork CR carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 6080 over Dry Fork CR?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m) and a deck 20 ft wide.

Who owns County RD 6080 over Dry Fork CR?

It is owned by the County Highway Agency.