US Bridges

Kiln-Delisle RD over Over Bayou Coco

Fair

Hancock County, Mississippi · Sec 38 T 7S R14W B · Structure no. SA2300000000033

Built
1973
52 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
6,400
2022 count
Owner
County
County Highway Agency

About this bridge

Kiln-Delisle RD over Over Bayou Coco is a concrete culvert carrying Kiln-Delisle RD over Over Bayou Coco in Hancock 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 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 6,400 vehicles a day, roughly 20% of them trucks, projected to reach 9,600 by 2042. The structure is 30 ft (9.2 m) long. If it were closed, the detour would be 19.3 mi (31 km).

CarriesKiln-Delisle RD
CrossesOver Bayou Coco
LocationSec 38 T 7S R14W B
RouteCounty Highway 104
Coordinates30.40436, -89.4125
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.5 US tons
Inventory rating42.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2022)
Projected traffic9,600 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kiln-Delisle RD over Over Bayou Coco built?

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

What condition is Kiln-Delisle RD over Over Bayou Coco 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 September 2024.

How much traffic does Kiln-Delisle RD over Over Bayou Coco carry?

About 6,400 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Kiln-Delisle RD over Over Bayou Coco?

The structure is 30 ft (9.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Kiln-Delisle RD over Over Bayou Coco?

It is owned by the County Highway Agency.