US Bridges

C Kemp Road over Dawson Bayou

Good

Sunflower County, Mississippi · Sec 22 T17N R 5W · Structure no. SA6700000000023

Built
1973
52 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
8 main spans
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

C Kemp Road over Dawson Bayou is a prestressed concrete stringer/multi-beam or girder carrying C Kemp Road over Dawson Bayou in Sunflower County, Mississippi. It was built in 1973, so it is 52 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 40 vehicles a day, roughly 8% of them trucks, projected to reach 60 by 2044. The structure is 320 ft (97.5 m) long and 29 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesC Kemp Road
CrossesDawson Bayou
LocationSec 22 T17N R 5W
RouteCounty Highway 105
Coordinates33.30716, -90.70449
Functional classRural Local

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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating80 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 15
Structure length320 ft (97.5 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic60 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$1.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C Kemp Road over Dawson Bayou built?

It was built in 1973, making it 52 years old in 2025.

What condition is C Kemp Road over Dawson Bayou 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 August 2024.

How much traffic does C Kemp Road over Dawson Bayou carry?

About 40 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is C Kemp Road over Dawson Bayou?

The structure is 320 ft (97.5 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns C Kemp Road over Dawson Bayou?

It is owned by the County Highway Agency.