US Bridges

Seven Mile Road over ST Bayou Canal

Good

Humphreys County, Mississippi · Sec 9 T13N R 4W · Structure no. SA270000000A014

Built
2021
4 years old
Condition
Good
inspected February 2023
Type
Channel Beam
Concrete
Length
93 ft
3 main spans
Daily traffic
120
2018 count
Owner
County
County Highway Agency

About this bridge

Seven Mile Road over ST Bayou Canal is a concrete channel beam carrying Seven Mile Road over ST Bayou Canal in Humphreys County, Mississippi. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 120 vehicles a day, roughly 10% of them trucks, projected to reach 180 by 2038. The structure is 93 ft (28.3 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSeven Mile Road
CrossesST Bayou Canal
LocationSec 9 T13N R 4W
RouteCounty Highway 190
Coordinates32.99435, -90.62248
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
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 length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2018)
Projected traffic180 by 2038
Trucks10%
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 Seven Mile Road over ST Bayou Canal built?

It was built in 2021, making it 4 years old in 2025.

What condition is Seven Mile Road over ST Bayou Canal 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 2023.

How much traffic does Seven Mile Road over ST Bayou Canal carry?

About 120 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Seven Mile Road over ST Bayou Canal?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.

Who owns Seven Mile Road over ST Bayou Canal?

It is owned by the County Highway Agency.