US Bridges

Natchez Trace Park over County Road

Fair

Lauderdale County, Alabama · 4.29 Miles South of Al Ro · Structure no. 5570025P0000000

Built
1964
61 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
1,100
2024 count
Owner
Federal
National Park Service

About this bridge

Natchez Trace Park over County Road is a concrete continuous slab carrying Natchez Trace Park over County Road in Lauderdale County, Alabama. It was built in 1964, so it is 61 years old, older than the Alabama average of 51.1 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 1,100 vehicles a day, roughly 3% of them trucks, projected to reach 1,210 by 2044. The structure is 92 ft (27.9 m) long and 32 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesNatchez Trace Park
CrossesCounty Road
Location4.29 Miles South of Al Ro
RouteFederal Lands Road 1
StateAlabama
Coordinates34.87725, -87.89478
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.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length92 ft (27.9 m)
Longest span31 ft (9.3 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2024)
Projected traffic1,210 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed39.8 mi (64 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$45,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Natchez Trace Park over County Road built?

It was built in 1964, making it 61 years old in 2025.

What condition is Natchez Trace Park over County Road 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 County Road carry?

About 1,100 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Natchez Trace Park over County Road?

The structure is 92 ft (27.9 m) long with a longest span of 31 ft (9.3 m) and a deck 32 ft wide.

Who owns Natchez Trace Park over County Road?

It is owned by the National Park Service.