US Bridges

County RD 4050 over Meramec Rvr

Fair

Dent County, Missouri · S 13 T 35 N R 5 W · Structure no. 13862

Built
1986
39 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
35 ft
4 main spans
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 4050 over Meramec Rvr is a concrete continuous slab carrying County RD 4050 over Meramec Rvr in Dent County, Missouri. It was built in 1986, so it is 39 years old, younger 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 36 by 2043. The structure is 35 ft (10.7 m) long and 14 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty RD 4050
CrossesMeramec Rvr
LocationS 13 T 35 N R 5 W
RouteCounty Highway 50
Coordinates37.7457, -91.43398
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 geometry6: Equal to present minimum criteria
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 typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length35 ft (10.7 m)
Longest span8 ft (2.4 m)
Deck width14 ft (4.4 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic36 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$211,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 4050 over Meramec Rvr built?

It was built in 1986, making it 39 years old in 2025.

What condition is County RD 4050 over Meramec Rvr 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 4050 over Meramec Rvr carry?

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

How long is County RD 4050 over Meramec Rvr?

The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.4 m) and a deck 14 ft wide.

Who owns County RD 4050 over Meramec Rvr?

It is owned by the County Highway Agency.