US Bridges

Palmetto Road over Coonewah Creek

PoorPosted for load

Lee County, Mississippi · Sec 23 T10S R 5E B · Structure no. SA4100000000130

Built
1958
67 years old, rebuilt 1999
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
234 ft
1 main span
Daily traffic
3,900
2021 count
Owner
County
County Highway Agency

About this bridge

Palmetto Road over Coonewah Creek is a steel stringer/multi-beam or girder carrying Palmetto Road over Coonewah Creek in Lee County, Mississippi. It was built in 1958 and reconstructed in 1999, so it is 67 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 3,900 vehicles a day, roughly 15% of them trucks, projected to reach 5,850 by 2043. The structure is 234 ft (71.3 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesPalmetto Road
CrossesCoonewah Creek
LocationSec 23 T10S R 5E B
RouteCounty Highway 853
Coordinates34.19189, -88.75422
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.8 US tons
Inventory rating15.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+8 approach)
Design loadH 15
Structure length234 ft (71.3 m)
Longest span80 ft (24.4 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2021)
Projected traffic5,850 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Palmetto Road over Coonewah Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1999.

What condition is Palmetto Road over Coonewah Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does Palmetto Road over Coonewah Creek carry?

About 3,900 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Palmetto Road over Coonewah Creek?

The structure is 234 ft (71.3 m) long with a longest span of 80 ft (24.4 m) and a deck 25 ft wide.

Who owns Palmetto Road over Coonewah Creek?

It is owned by the County Highway Agency.