US Bridges

Mo 75 S over Drain Dtch #14

Poor

Mississippi County, Missouri · S 8 T 25 N R 16 E · Structure no. 4503

Built
1922
103 years old, rebuilt 1954
Condition
Poor
inspected October 2023
Type
Truss - Thru
Steel
Length
64 ft
1 main span
Daily traffic
690
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 75 S over Drain Dtch #14 is a steel truss - thru carrying Mo 75 S over Drain Dtch #14 in Mississippi County, Missouri. It was built in 1922 and reconstructed in 1954, so it is 103 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 690 vehicles a day, roughly 11% of them trucks, projected to reach 966 by 2044. The structure is 64 ft (19.5 m) long and 21 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesMo 75 S
CrossesDrain Dtch #14
LocationS 8 T 25 N R 16 E
RouteState Highway 75
Coordinates36.82673, -89.34675
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.8 US tons
Inventory rating15.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length64 ft (19.5 m)
Longest span60 ft (18.3 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic690 (2024)
Projected traffic966 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$774,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 75 S over Drain Dtch #14 built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1954.

What condition is Mo 75 S over Drain Dtch #14 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does Mo 75 S over Drain Dtch #14 carry?

About 690 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 75 S over Drain Dtch #14?

The structure is 64 ft (19.5 m) long with a longest span of 60 ft (18.3 m) and a deck 21 ft wide.

Who owns Mo 75 S over Drain Dtch #14?

It is owned by the State Highway Agency.