US Bridges

County RD 409 over Dry Fk CR

FairPosted for load

Maries County, Missouri · S 2 T 40 N R 7 W · Structure no. 14498

Built
1930
95 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
70 ft
2 main spans
Daily traffic
60
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 409 over Dry Fk CR is a concrete tee beam carrying County RD 409 over Dry Fk CR in Maries 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. Its operating status is: posted for load restriction.

It carries about 60 vehicles a day, roughly 10% of them trucks, projected to reach 72 by 2043. The structure is 70 ft (21.3 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty RD 409
CrossesDry Fk CR
LocationS 2 T 40 N R 7 W
RouteCounty Highway 69
CountyMaries County
StateMissouri
Coordinates38.24442, -91.67769
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating24.8 US tons
Inventory rating8.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length70 ft (21.3 m)
Longest span33 ft (10.1 m)
Deck width21 ft (6.5 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2023)
Projected traffic72 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$527,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 409 over Dry Fk CR built?

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

What condition is County RD 409 over Dry Fk 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 April 2023.

How much traffic does County RD 409 over Dry Fk CR carry?

About 60 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 409 over Dry Fk CR?

The structure is 70 ft (21.3 m) long with a longest span of 33 ft (10.1 m) and a deck 21 ft wide.

Who owns County RD 409 over Dry Fk CR?

It is owned by the County Highway Agency.