US Bridges

Division ST over Keegans Bayou

Good

Harrison County, Mississippi · Sec 26 T 7S R 9W · Structure no. SA2400000000201

Built
2023
2 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
3,000
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Division ST over Keegans Bayou is a concrete culvert carrying Division ST over Keegans Bayou in Harrison County, Mississippi. It was built in 2023, so it is 2 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 3,000 vehicles a day, roughly 8% of them trucks. The structure is 32 ft (9.8 m) long and 77 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDivision ST
CrossesKeegans Bayou
LocationSec 26 T 7S R 9W
RouteCity Street 7829
Coordinates30.40346, -88.89996
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating40.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length32 ft (9.8 m)
Longest span11 ft (3.5 m)
Deck width77 ft (23.5 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2010)
Projected traffic—
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Division ST over Keegans Bayou built?

It was built in 2023, making it 2 years old in 2025.

What condition is Division ST over Keegans Bayou 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 2023.

How much traffic does Division ST over Keegans Bayou carry?

About 3,000 vehicles per day (2010 count), of which roughly 8% are trucks.

How long is Division ST over Keegans Bayou?

The structure is 32 ft (9.8 m) long with a longest span of 11 ft (3.5 m) and a deck 77 ft wide.

Who owns Division ST over Keegans Bayou?

It is owned by the City or Municipal Highway Agency.