US Bridges

County RD 300 over Dry Fork CR

Fair

Perry County, Missouri · S 31 T 35 N R 12 E · Structure no. 16880

Built
1939
86 years old, rebuilt 2007
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
35 ft
4 main spans
Daily traffic
55
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 300 over Dry Fork CR is a concrete continuous slab carrying County RD 300 over Dry Fork CR in Perry County, Missouri. It was built in 1939 and reconstructed in 2007, so it is 86 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 6 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 55 vehicles a day, roughly 10% of them trucks, projected to reach 74 by 2043. The structure is 35 ft (10.7 m) long and 19 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCounty RD 300
CrossesDry Fork CR
LocationS 31 T 35 N R 12 E
RouteCounty Highway 135
Coordinates37.69609, -89.74945
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating84.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span8 ft (2.3 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2023)
Projected traffic74 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 300 over Dry Fork CR built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2007.

What condition is County RD 300 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 January 2025.

How much traffic does County RD 300 over Dry Fork CR carry?

About 55 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 300 over Dry Fork CR?

The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.3 m) and a deck 19 ft wide.

Who owns County RD 300 over Dry Fork CR?

It is owned by the County Highway Agency.