US Bridges

Mill Street over Brickyard Bayou

Fair

Harrison County, Mississippi · Sec 25 T 7S R11W · Structure no. SA2400000000110

Built
1994
31 years old
Condition
Fair
inspected January 2024
Type
Channel Beam
Concrete
Length
155 ft
5 main spans
Daily traffic
2,000
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mill Street over Brickyard Bayou is a concrete channel beam carrying Mill Street over Brickyard Bayou in Harrison County, Mississippi. It was built in 1994, so it is 31 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 2,000 vehicles a day, roughly 8% of them trucks, projected to reach 3,000 by 2032. The structure is 155 ft (47.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMill Street
CrossesBrickyard Bayou
LocationSec 25 T 7S R11W
RouteCity Street 1081
Coordinates30.40333, -89.03694
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating83.2 US tons
Inventory rating50 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2011)
Projected traffic3,000 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Street over Brickyard Bayou built?

It was built in 1994, making it 31 years old in 2025.

What condition is Mill Street over Brickyard 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 Mill Street over Brickyard Bayou carry?

About 2,000 vehicles per day (2011 count), of which roughly 8% are trucks.

How long is Mill Street over Brickyard Bayou?

The structure is 155 ft (47.2 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Mill Street over Brickyard Bayou?

It is owned by the City or Municipal Highway Agency.