US Bridges

Natchez Trace Park over County Road 85

Fair

Lauderdale County, Alabama · 2.7 Miles North of Al Rou · Structure no. 5570493P0000000

Built
2009
16 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
98 ft
3 main spans
Daily traffic
990
2024 count
Owner
Federal
National Park Service

About this bridge

Natchez Trace Park over County Road 85 is a concrete continuous slab carrying Natchez Trace Park over County Road 85 in Lauderdale County, Alabama. It was built in 2009, so it is 16 years old, younger 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 990 vehicles a day, roughly 2% of them trucks, projected to reach 1,089 by 2044. The structure is 98 ft (29.9 m) long and 37 ft wide. If it were closed, the detour would be 70.8 mi (114 km).

CarriesNatchez Trace Park
CrossesCounty Road 85
Location2.7 Miles North of Al Rou
RouteFederal Lands Road 1
StateAlabama
Coordinates34.96164, -87.82081
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93 US tons
Inventory rating55 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length98 ft (29.9 m)
Longest span40 ft (12.2 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic990 (2024)
Projected traffic1,089 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed70.8 mi (114 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Natchez Trace Park over County Road 85 built?

It was built in 2009, making it 16 years old in 2025.

What condition is Natchez Trace Park over County Road 85 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 March 2023.

How much traffic does Natchez Trace Park over County Road 85 carry?

About 990 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Natchez Trace Park over County Road 85?

The structure is 98 ft (29.9 m) long with a longest span of 40 ft (12.2 m) and a deck 37 ft wide.

Who owns Natchez Trace Park over County Road 85?

It is owned by the National Park Service.