US Bridges

Kinlock Road over Indian Bayou

Good

Sunflower County, Mississippi · Sec 12 T18N R 5W B · Structure no. SA670000000A040

Built
2015
10 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
2 main spans
Daily traffic
250
2023 count
Owner
County
County Highway Agency

About this bridge

Kinlock Road over Indian Bayou is a prestressed concrete stringer/multi-beam or girder carrying Kinlock Road over Indian Bayou in Sunflower County, Mississippi. It was built in 2015, so it is 10 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 250 vehicles a day, roughly 8% of them trucks, projected to reach 375 by 2030. The structure is 160 ft (48.8 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesKinlock Road
CrossesIndian Bayou
LocationSec 12 T18N R 5W B
RouteCounty Highway 15
Coordinates33.42818, -90.66386
Functional classUrban Collector

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic375 by 2030
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed6.2 mi (10 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$801,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Kinlock Road over Indian Bayou built?

It was built in 2015, making it 10 years old in 2025.

What condition is Kinlock Road over Indian 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 October 2023.

How much traffic does Kinlock Road over Indian Bayou carry?

About 250 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Kinlock Road over Indian Bayou?

The structure is 160 ft (48.8 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns Kinlock Road over Indian Bayou?

It is owned by the County Highway Agency.