US Bridges

Bay Lake - Kinlock over Bay Lake

Good

Sunflower County, Mississippi · Sec 21 T18N R 5W B · Structure no. SA6700000000043

Built
1976
49 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
7 main spans
Daily traffic
230
2023 count
Owner
County
County Highway Agency

About this bridge

Bay Lake - Kinlock over Bay Lake is a prestressed concrete stringer/multi-beam or girder carrying Bay Lake - Kinlock over Bay Lake in Sunflower County, Mississippi. It was built in 1976, so it is 49 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 230 vehicles a day, roughly 8% of them trucks, projected to reach 345 by 2030. The structure is 280 ft (85.3 m) long and 29 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesBay Lake - Kinlock
CrossesBay Lake
LocationSec 21 T18N R 5W B
RouteCounty Highway 15
Coordinates33.38803, -90.71389
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 15
Structure length280 ft (85.3 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 traffic230 (2023)
Projected traffic345 by 2030
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bay Lake - Kinlock over Bay Lake built?

It was built in 1976, making it 49 years old in 2025.

What condition is Bay Lake - Kinlock over Bay Lake 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 Bay Lake - Kinlock over Bay Lake carry?

About 230 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Bay Lake - Kinlock over Bay Lake?

The structure is 280 ft (85.3 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns Bay Lake - Kinlock over Bay Lake?

It is owned by the County Highway Agency.