US Bridges

Bayou LA Croix RD over Bayou Marone

Good

Hancock County, Mississippi · Sec 13 T 8S R15W B · Structure no. SA230000000A046

Built
2022
3 years old
Condition
Good
inspected May 2024
Type
Channel Beam
Concrete
Length
69 ft
3 main spans
Daily traffic
425
2022 count
Owner
County
County Highway Agency

About this bridge

Bayou LA Croix RD over Bayou Marone is a concrete channel beam carrying Bayou LA Croix RD over Bayou Marone 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 425 vehicles a day, roughly 20% of them trucks, projected to reach 638 by 2042. The structure is 69 ft (21 m) long and 31 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesBayou LA Croix RD
CrossesBayou Marone
LocationSec 13 T 8S R15W B
RouteCounty Highway 412
Coordinates30.34174, -89.44989
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length69 ft (21 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2022)
Projected traffic638 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$540,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bayou LA Croix RD over Bayou Marone built?

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

What condition is Bayou LA Croix RD over Bayou Marone 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 May 2024.

How much traffic does Bayou LA Croix RD over Bayou Marone carry?

About 425 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Bayou LA Croix RD over Bayou Marone?

The structure is 69 ft (21 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Bayou LA Croix RD over Bayou Marone?

It is owned by the County Highway Agency.