US Bridges

Bayview Avenue over Keegan Bayou

Fair

Harrison County, Mississippi · Sec 37 T 7S R 9W · Structure no. SA2400000000197

Built
1989
36 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
850 ft
170 main spans
Daily traffic
12,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bayview Avenue over Keegan Bayou is a prestressed concrete stringer/multi-beam or girder carrying Bayview Avenue over Keegan Bayou in Harrison County, Mississippi. It was built in 1989, so it is 36 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 12,000 vehicles a day, roughly 10% of them trucks, projected to reach 18,000 by 2044. The structure is 850 ft (259.1 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBayview Avenue
CrossesKeegan Bayou
LocationSec 37 T 7S R 9W
RouteCity Street 7830
Coordinates30.41163, -88.89674
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54 US tons
Inventory rating32.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans170
Design loadHS 20
Structure length850 ft (259.1 m)
Longest span50 ft (15.2 m)
Deck width67 ft (20.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2024)
Projected traffic18,000 by 2044
Trucks10%
Lanes on structure4
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 Bayview Avenue over Keegan Bayou built?

It was built in 1989, making it 36 years old in 2025.

What condition is Bayview Avenue over Keegan Bayou in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does Bayview Avenue over Keegan Bayou carry?

About 12,000 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Bayview Avenue over Keegan Bayou?

The structure is 850 ft (259.1 m) long with a longest span of 50 ft (15.2 m) and a deck 67 ft wide.

Who owns Bayview Avenue over Keegan Bayou?

It is owned by the City or Municipal Highway Agency.