US Bridges

Rt N S over Main Dtch

Fair

Mississippi County, Missouri · S 19 T 27 N R 16 E · Structure no. 4994

Built
1926
99 years old, rebuilt 1961
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
1,489
2024 count
Owner
State
State Highway Agency

About this bridge

Rt N S over Main Dtch is a concrete continuous culvert carrying Rt N S over Main Dtch in Mississippi County, Missouri. It was built in 1926 and reconstructed in 1961, so it is 99 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 1,489 vehicles a day, roughly 11% of them trucks, projected to reach 2,085 by 2044. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesRt N S
CrossesMain Dtch
LocationS 19 T 27 N R 16 E
RouteState Highway 0N
Coordinates36.96975, -89.35706
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating106.2 US tons
Inventory rating63.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,489 (2024)
Projected traffic2,085 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt N S over Main Dtch built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1961.

What condition is Rt N S over Main Dtch 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 November 2023.

How much traffic does Rt N S over Main Dtch carry?

About 1,489 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt N S over Main Dtch?

The structure is 25 ft (7.7 m) long with a longest span of 12 ft (3.7 m).

Who owns Rt N S over Main Dtch?

It is owned by the State Highway Agency.