US Bridges

County Road over Natchez Trace Parkway

Good

Adams County, Mississippi · 1.1 Miles from South End · Structure no. 5570487P0000000

Built
2004
21 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
214 ft
3 main spans
Daily traffic
266
2024 count
Owner
Federal
National Park Service

About this bridge

County Road over Natchez Trace Parkway is a prestressed concrete continuous box beam or girders - single or spread carrying County Road over Natchez Trace Parkway in Adams County, Mississippi. It was built in 2004, so it is 21 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 266 vehicles a day, projected to reach 319 by 2044. The structure is 214 ft (65.1 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCounty Road
CrossesNatchez Trace Parkway
Location1.1 Miles from South End
RouteFederal Lands Road 1
CountyAdams County
StateMississippi
Coordinates31.55117, -91.35347
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating99 US tons
Inventory rating70 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length214 ft (65.1 m)
Longest span137 ft (41.9 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic266 (2024)
Projected traffic319 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed123.7 mi (199 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$68,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road over Natchez Trace Parkway built?

It was built in 2004, making it 21 years old in 2025.

What condition is County Road over Natchez Trace Parkway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does County Road over Natchez Trace Parkway carry?

About 266 vehicles per day (2024 count).

How long is County Road over Natchez Trace Parkway?

The structure is 214 ft (65.1 m) long with a longest span of 137 ft (41.9 m) and a deck 29 ft wide.

Who owns County Road over Natchez Trace Parkway?

It is owned by the National Park Service.