US Bridges

Mo 80 E over Drain Dtch #29

Fair

Mississippi County, Missouri · S 29 T 25 N R 17 E · Structure no. 5956

Built
1939
86 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
103 ft
3 main spans
Daily traffic
406
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 80 E over Drain Dtch #29 is a steel stringer/multi-beam or girder carrying Mo 80 E over Drain Dtch #29 in Mississippi County, Missouri. It was built in 1939, so it is 86 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.

It carries about 406 vehicles a day, roughly 3% of them trucks, projected to reach 568 by 2044. The structure is 103 ft (31.4 m) long and 26 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesMo 80 E
CrossesDrain Dtch #29
LocationS 29 T 25 N R 17 E
RouteState Highway 80
Coordinates36.77642, -89.23782
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.7 US tons
Inventory rating18.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length103 ft (31.4 m)
Longest span37 ft (11.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic406 (2024)
Projected traffic568 by 2044
Trucks3%
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 80 E over Drain Dtch #29 built?

It was built in 1939, making it 86 years old in 2025.

What condition is Mo 80 E over Drain Dtch #29 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 80 E over Drain Dtch #29 carry?

About 406 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Mo 80 E over Drain Dtch #29?

The structure is 103 ft (31.4 m) long with a longest span of 37 ft (11.4 m) and a deck 26 ft wide.

Who owns Mo 80 E over Drain Dtch #29?

It is owned by the State Highway Agency.