US Bridges

County RD 300 over Br of Dry Fork

Fair

Perry County, Missouri · S 31 T 35 N R 12 E · Structure no. 16881

Built
1939
86 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
30 ft
3 main spans
Daily traffic
55
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 300 over Br of Dry Fork is a concrete continuous slab carrying County RD 300 over Br of Dry Fork in Perry County, Missouri. It was built in 1939, 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 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 55 vehicles a day, roughly 10% of them trucks, projected to reach 74 by 2043. The structure is 30 ft (9.1 m) long and 18 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCounty RD 300
CrossesBr of Dry Fork
LocationS 31 T 35 N R 12 E
RouteCounty Highway 135
Coordinates37.69663, -89.74804
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 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 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 rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length30 ft (9.1 m)
Longest span11 ft (3.4 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 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 Br of Dry Fork built?

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

What condition is County RD 300 over Br of Dry Fork 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 Br of Dry Fork carry?

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

How long is County RD 300 over Br of Dry Fork?

The structure is 30 ft (9.1 m) long with a longest span of 11 ft (3.4 m) and a deck 18 ft wide.

Who owns County RD 300 over Br of Dry Fork?

It is owned by the County Highway Agency.