US Bridges

Mo 77 S over Lateral Dtch #1

Fair

Mississippi County, Missouri · S 21 T 26 N R 17 E · Structure no. 2427

Built
1971
54 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
262
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 77 S over Lateral Dtch #1 is a concrete continuous culvert carrying Mo 77 S over Lateral Dtch #1 in Mississippi County, Missouri. It was built in 1971, so it is 54 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 262 vehicles a day, roughly 28% of them trucks, projected to reach 367 by 2044. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesMo 77 S
CrossesLateral Dtch #1
LocationS 21 T 26 N R 17 E
RouteState Highway 77
CountyMississippi County
StateMissouri
Coordinates36.87513, -89.22534
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.2 US tons
Inventory rating60.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length27 ft (8.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic262 (2024)
Projected traffic367 by 2044
Trucks28%
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 Mo 77 S over Lateral Dtch #1 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Mo 77 S over Lateral Dtch #1 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 Mo 77 S over Lateral Dtch #1 carry?

About 262 vehicles per day (2024 count), of which roughly 28% are trucks.

How long is Mo 77 S over Lateral Dtch #1?

The structure is 27 ft (8.2 m) long with a longest span of 10 ft (3 m).

Who owns Mo 77 S over Lateral Dtch #1?

It is owned by the State Highway Agency.