US Bridges

SR 43 over Walnut Creek

Good

Madison County, Mississippi · 5.3 MI N Natchez Trace · Structure no. 310004304519140

Built
2012
13 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
201 ft
5 main spans
Daily traffic
3,200
2023 count
Owner
State
State Highway Agency

About this bridge

SR 43 over Walnut Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 43 over Walnut Creek in Madison County, Mississippi. It was built in 2012, so it is 13 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,200 vehicles a day, roughly 19% of them trucks, projected to reach 3,200 by 2043. The structure is 201 ft (61.4 m) long and 47 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesSR 43
CrossesWalnut Creek
Location5.3 MI N Natchez Trace
RouteState Highway 43
Coordinates32.58975, -90.00429
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating43.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length201 ft (61.4 m)
Longest span40 ft (12.2 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2023)
Projected traffic3,200 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 43 over Walnut Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is SR 43 over Walnut Creek 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 May 2024.

How much traffic does SR 43 over Walnut Creek carry?

About 3,200 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is SR 43 over Walnut Creek?

The structure is 201 ft (61.4 m) long with a longest span of 40 ft (12.2 m) and a deck 47 ft wide.

Who owns SR 43 over Walnut Creek?

It is owned by the State Highway Agency.