US Bridges

Rt Uu E over Lateral Dtch No 79

PoorPosted for load

Dunklin County, Missouri · S 29 T 18 N R 10 E · Structure no. 7810

Built
1955
70 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
3 main spans
Daily traffic
64
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Uu E over Lateral Dtch No 79 is a steel stringer/multi-beam or girder carrying Rt Uu E over Lateral Dtch No 79 in Dunklin County, Missouri. It was built in 1955, so it is 70 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 64 vehicles a day, roughly 12% of them trucks, projected to reach 90 by 2044. The structure is 52 ft (15.8 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRt Uu E
CrossesLateral Dtch No 79
LocationS 29 T 18 N R 10 E
RouteState Highway 0UU
Coordinates36.16791, -90.00429
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.8 US tons
Inventory rating14.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length52 ft (15.8 m)
Longest span17 ft (5.1 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64 (2024)
Projected traffic90 by 2044
Trucks12%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$585,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Uu E over Lateral Dtch No 79 built?

It was built in 1955, making it 70 years old in 2025.

What condition is Rt Uu E over Lateral Dtch No 79 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 Uu E over Lateral Dtch No 79 carry?

About 64 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Rt Uu E over Lateral Dtch No 79?

The structure is 52 ft (15.8 m) long with a longest span of 17 ft (5.1 m) and a deck 22 ft wide.

Who owns Rt Uu E over Lateral Dtch No 79?

It is owned by the State Highway Agency.