US Bridges

Shearwater ST over Bayou-Inner Harbor

Good

Jackson County, Mississippi · Sec 30 T 7S R 8W · Structure no. SA3000000000118

Built
2003
22 years old
Condition
Good
inspected March 2024
Type
Channel Beam
Concrete
Length
140 ft
5 main spans
Daily traffic
1,300
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Shearwater ST over Bayou-Inner Harbor is a concrete channel beam carrying Shearwater ST over Bayou-Inner Harbor in Jackson County, Mississippi. It was built in 2003, so it is 22 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 1,300 vehicles a day, roughly 10% of them trucks, projected to reach 2,200 by 2044. The structure is 140 ft (42.6 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesShearwater ST
CrossesBayou-Inner Harbor
LocationSec 30 T 7S R 8W
RouteCity Street 9061
Coordinates30.40566, -88.82134
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.6 US tons
Inventory rating41.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length140 ft (42.6 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2024)
Projected traffic2,200 by 2044
Trucks10%
Lanes on structure2
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Shearwater ST over Bayou-Inner Harbor built?

It was built in 2003, making it 22 years old in 2025.

What condition is Shearwater ST over Bayou-Inner Harbor 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 March 2024.

How much traffic does Shearwater ST over Bayou-Inner Harbor carry?

About 1,300 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Shearwater ST over Bayou-Inner Harbor?

The structure is 140 ft (42.6 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Shearwater ST over Bayou-Inner Harbor?

It is owned by the City or Municipal Highway Agency.