US Bridges

Kiln-Delisle RD over Bayou Laterre

Good

Hancock County, Mississippi · Sec 37 T 7S R14W B · Structure no. SA230000000A032

Built
2022
3 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
5 main spans
Daily traffic
5,625
2021 count
Owner
County
County Highway Agency

About this bridge

Kiln-Delisle RD over Bayou Laterre is a prestressed concrete stringer/multi-beam or girder carrying Kiln-Delisle RD over Bayou Laterre in Hancock County, Mississippi. It was built in 2022, so it is 3 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 5,625 vehicles a day, roughly 20% of them trucks, projected to reach 8,427 by 2041. The structure is 240 ft (73.2 m) long and 43 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesKiln-Delisle RD
CrossesBayou Laterre
LocationSec 37 T 7S R14W B
RouteCounty Highway 104
Coordinates30.41421, -89.38246
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment7: Better than present minimum criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length240 ft (73.2 m)
Longest span80 ft (24.4 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,625 (2021)
Projected traffic8,427 by 2041
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 Bayou Laterre built?

It was built in 2022, making it 3 years old in 2025.

What condition is Kiln-Delisle RD over Bayou Laterre 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 April 2024.

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

About 5,625 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is Kiln-Delisle RD over Bayou Laterre?

The structure is 240 ft (73.2 m) long with a longest span of 80 ft (24.4 m) and a deck 43 ft wide.

Who owns Kiln-Delisle RD over Bayou Laterre?

It is owned by the County Highway Agency.