US Bridges

Rt Dd E over Drain Dtch #31

PoorPosted for load

Mississippi County, Missouri · S 17 T 25 N R 17 E · Structure no. 9649

Built
1948
77 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
78 ft
3 main spans
Daily traffic
28
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Dd E over Drain Dtch #31 is a steel stringer/multi-beam or girder carrying Rt Dd E over Drain Dtch #31 in Mississippi County, Missouri. It was built in 1948, so it is 77 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. Its operating status is: posted for load restriction.

It carries about 28 vehicles a day, roughly 14% of them trucks, projected to reach 39 by 2044. The structure is 78 ft (23.8 m) long and 22 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesRt Dd E
CrossesDrain Dtch #31
LocationS 17 T 25 N R 17 E
RouteState Highway 0DD
Coordinates36.81992, -89.25904
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating10.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length78 ft (23.8 m)
Longest span29 ft (8.8 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28 (2024)
Projected traffic39 by 2044
Trucks14%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$819,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Dd E over Drain Dtch #31 built?

It was built in 1948, making it 77 years old in 2025.

What condition is Rt Dd E over Drain Dtch #31 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 November 2024.

How much traffic does Rt Dd E over Drain Dtch #31 carry?

About 28 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Rt Dd E over Drain Dtch #31?

The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 22 ft wide.

Who owns Rt Dd E over Drain Dtch #31?

It is owned by the State Highway Agency.