US Bridges

Natchez Trace Park over St. Louis & San Francisc

Good

Lee County, Mississippi · 1.5 Miles South of U.S. R · Structure no. 5570045P0000000

Built
1954
71 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
103 ft
3 main spans
Daily traffic
5,900
2024 count
Owner
Federal
National Park Service

About this bridge

Natchez Trace Park over St. Louis & San Francisc is a steel continuous stringer/multi-beam or girder carrying Natchez Trace Park over St. Louis & San Francisc in Lee County, Mississippi. It was built in 1954, so it is 71 years old, older 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 5,900 vehicles a day, roughly 1% of them trucks, projected to reach 6,490 by 2044. The structure is 103 ft (31.4 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNatchez Trace Park
CrossesSt. Louis & San Francisc
Location1.5 Miles South of U.S. R
RouteFederal Lands Road 1
Coordinates34.27914, -88.73506
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length103 ft (31.4 m)
Longest span39 ft (11.9 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,900 (2024)
Projected traffic6,490 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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$35,000 (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Natchez Trace Park over St. Louis & San Francisc built?

It was built in 1954, making it 71 years old in 2025.

What condition is Natchez Trace Park over St. Louis & San Francisc 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 March 2023.

How much traffic does Natchez Trace Park over St. Louis & San Francisc carry?

About 5,900 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Natchez Trace Park over St. Louis & San Francisc?

The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 32 ft wide.

Who owns Natchez Trace Park over St. Louis & San Francisc?

It is owned by the National Park Service.