US Bridges

W. Mound Bayou Rd. over Six Mile Lake

Good

Bolivar County, Mississippi · Sec 4 T23N R 6W B · Structure no. SA060000000A145

Built
2020
5 years old
Condition
Good
inspected February 2024
Type
Channel Beam
Concrete
Length
198 ft
6 main spans
Daily traffic
220
2023 count
Owner
County
County Highway Agency

About this bridge

W. Mound Bayou Rd. over Six Mile Lake is a concrete channel beam carrying W. Mound Bayou Rd. over Six Mile Lake in Bolivar County, Mississippi. It was built in 2020, so it is 5 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 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 220 vehicles a day, roughly 8% of them trucks, projected to reach 330 by 2043. The structure is 198 ft (60.4 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesW. Mound Bayou Rd.
CrossesSix Mile Lake
LocationSec 4 T23N R 6W B
RouteCounty Highway 1611
Coordinates33.878, -90.8193
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.3 US tons
Inventory rating37.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHL 93
Structure length198 ft (60.4 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2023)
Projected traffic330 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W. Mound Bayou Rd. over Six Mile Lake built?

It was built in 2020, making it 5 years old in 2025.

What condition is W. Mound Bayou Rd. over Six Mile 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 February 2024.

How much traffic does W. Mound Bayou Rd. over Six Mile Lake carry?

About 220 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is W. Mound Bayou Rd. over Six Mile Lake?

The structure is 198 ft (60.4 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns W. Mound Bayou Rd. over Six Mile Lake?

It is owned by the County Highway Agency.