US Bridges

Natchez Trace Park over Drainage Canal

Fair

Attala County, Mississippi · 4.5 Miles South of Ms Rou · Structure no. 5570114P0000000

Built
1948
77 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
88 ft
3 main spans
Daily traffic
545
2022 count
Owner
Federal
National Park Service

About this bridge

Natchez Trace Park over Drainage Canal is a concrete continuous slab carrying Natchez Trace Park over Drainage Canal in Attala County, Mississippi. It was built in 1948, so it is 77 years old, older than the Mississippi average of 38.9 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 545 vehicles a day, roughly 14% of them trucks, projected to reach 654 by 2042. The structure is 88 ft (26.7 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesNatchez Trace Park
CrossesDrainage Canal
Location4.5 Miles South of Ms Rou
RouteFederal Lands Road 1
CountyAttala County
StateMississippi
Coordinates33.05264, -89.56525
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
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 rating43 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length88 ft (26.7 m)
Longest span33 ft (10.2 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic545 (2022)
Projected traffic654 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$75,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Natchez Trace Park over Drainage Canal built?

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

What condition is Natchez Trace Park over Drainage Canal 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 February 2025.

How much traffic does Natchez Trace Park over Drainage Canal carry?

About 545 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Natchez Trace Park over Drainage Canal?

The structure is 88 ft (26.7 m) long with a longest span of 33 ft (10.2 m) and a deck 32 ft wide.

Who owns Natchez Trace Park over Drainage Canal?

It is owned by the National Park Service.