US Bridges

Palmer Road over Harris Bayou

Fair

Coahoma County, Mississippi · Sec 32 T26N R 4W · Structure no. SA1400000000036

Built
1992
33 years old
Condition
Fair
inspected February 2023
Type
Channel Beam
Concrete
Length
145 ft
7 main spans
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

Palmer Road over Harris Bayou is a concrete channel beam carrying Palmer Road over Harris Bayou in Coahoma County, Mississippi. It was built in 1992, so it is 33 years old, younger 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 6 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 40 vehicles a day, projected to reach 60 by 2043. The structure is 145 ft (44.2 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesPalmer Road
CrossesHarris Bayou
LocationSec 32 T26N R 4W
RouteCounty Highway 261
CountyCoahoma County
StateMississippi
Coordinates34.07481, -90.62506
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadH 15
Structure length145 ft (44.2 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic60 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$347,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Palmer Road over Harris Bayou built?

It was built in 1992, making it 33 years old in 2025.

What condition is Palmer Road over Harris Bayou 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 February 2023.

How much traffic does Palmer Road over Harris Bayou carry?

About 40 vehicles per day (2023 count).

How long is Palmer Road over Harris Bayou?

The structure is 145 ft (44.2 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Palmer Road over Harris Bayou?

It is owned by the County Highway Agency.