US Bridges

Natchez Trace Park over Ms Route 4

Fair

Tishomingo County, Mississippi · 5.66 Miles South of Ms Ro · Structure no. 5570247P0000000

Built
1982
43 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
295 ft
3 main spans
Daily traffic
560
2024 count
Owner
Federal
National Park Service

About this bridge

Natchez Trace Park over Ms Route 4 is a prestressed concrete continuous box beam or girders - single or spread carrying Natchez Trace Park over Ms Route 4 in Tishomingo County, Mississippi. It was built in 1982, so it is 43 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 5 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 560 vehicles a day, roughly 4% of them trucks, projected to reach 616 by 2044. The structure is 295 ft (89.9 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNatchez Trace Park
CrossesMs Route 4
Location5.66 Miles South of Ms Ro
RouteFederal Lands Road 1
Coordinates34.54198, -88.27537
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 rating65 US tons
Inventory rating28 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length295 ft (89.9 m)
Longest span116 ft (35.4 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (2024)
Projected traffic616 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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$15,000 (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Natchez Trace Park over Ms Route 4 built?

It was built in 1982, making it 43 years old in 2025.

What condition is Natchez Trace Park over Ms Route 4 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 Ms Route 4 carry?

About 560 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Natchez Trace Park over Ms Route 4?

The structure is 295 ft (89.9 m) long with a longest span of 116 ft (35.4 m) and a deck 37 ft wide.

Who owns Natchez Trace Park over Ms Route 4?

It is owned by the National Park Service.