US Bridges

County RD 316 over Dry Fork

Fair

Perry County, Missouri · S 24 T 35 N R 11 E · Structure no. 16602

Built
1974
51 years old
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete
Length
57 ft
1 main span
Daily traffic
45
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 316 over Dry Fork is a concrete tee beam carrying County RD 316 over Dry Fork in Perry County, Missouri. It was built in 1974, so it is 51 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 45 vehicles a day, roughly 10% of them trucks, projected to reach 61 by 2043. The structure is 57 ft (17.4 m) long and 20 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesCounty RD 316
CrossesDry Fork
LocationS 24 T 35 N R 11 E
RouteCounty Highway 126
CountyPerry County
StateMissouri
Coordinates37.72494, -89.76154
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length57 ft (17.4 m)
Longest span56 ft (17.1 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2023)
Projected traffic61 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 316 over Dry Fork built?

It was built in 1974, making it 51 years old in 2025.

What condition is County RD 316 over 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 316 over Dry Fork carry?

About 45 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 316 over Dry Fork?

The structure is 57 ft (17.4 m) long with a longest span of 56 ft (17.1 m) and a deck 20 ft wide.

Who owns County RD 316 over Dry Fork?

It is owned by the County Highway Agency.