US Bridges

US 412 E over Pole Cat Slu

Fair

Dunklin County, Missouri · S 1 T 17 N R 8 E · Structure no. 995

Built
1963
62 years old, rebuilt 1989
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
83 ft
3 main spans
Daily traffic
6,473
2024 count
Owner
State
State Highway Agency

About this bridge

US 412 E over Pole Cat Slu is a concrete continuous slab carrying US 412 E over Pole Cat Slu in Dunklin County, Missouri. It was built in 1963 and reconstructed in 1989, so it is 62 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 6,473 vehicles a day, roughly 16% of them trucks, projected to reach 11,328 by 2044. The structure is 83 ft (25.3 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesUS 412 E
CrossesPole Cat Slu
LocationS 1 T 17 N R 8 E
RouteU.S. Route 412
CountyDunklin County
StateMissouri
Coordinates36.14596, -90.14648
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length83 ft (25.3 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,473 (2024)
Projected traffic11,328 by 2044
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$800,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 412 E over Pole Cat Slu built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1989.

What condition is US 412 E over Pole Cat Slu 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 2024.

How much traffic does US 412 E over Pole Cat Slu carry?

About 6,473 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is US 412 E over Pole Cat Slu?

The structure is 83 ft (25.3 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns US 412 E over Pole Cat Slu?

It is owned by the State Highway Agency.