US Bridges

Natchez Trace Park over Whiskey Branch

Fair

Claiborne County, Mississippi · 20.2 Miles South of Ms Ro · Structure no. 5570170P0000000

Built
1966
59 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
181 ft
3 main spans
Daily traffic
470
2024 count
Owner
Federal
National Park Service

About this bridge

Natchez Trace Park over Whiskey Branch is a prestressed concrete stringer/multi-beam or girder carrying Natchez Trace Park over Whiskey Branch in Claiborne County, Mississippi. It was built in 1966, so it is 59 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 470 vehicles a day, roughly 3% of them trucks, projected to reach 517 by 2044. The structure is 181 ft (55.2 m) long and 32 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesNatchez Trace Park
CrossesWhiskey Branch
Location20.2 Miles South of Ms Ro
RouteFederal Lands Road 1
Coordinates31.99628, -90.88463
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadH 15
Structure length181 ft (55.2 m)
Longest span60 ft (18.4 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic470 (2024)
Projected traffic517 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 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$57,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Natchez Trace Park over Whiskey Branch built?

It was built in 1966, making it 59 years old in 2025.

What condition is Natchez Trace Park over Whiskey Branch 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 April 2024.

How much traffic does Natchez Trace Park over Whiskey Branch carry?

About 470 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Natchez Trace Park over Whiskey Branch?

The structure is 181 ft (55.2 m) long with a longest span of 60 ft (18.4 m) and a deck 32 ft wide.

Who owns Natchez Trace Park over Whiskey Branch?

It is owned by the National Park Service.