US Bridges

Seaman Road over Bluff Creek

Good

Jackson County, Mississippi · Sec 17 T 6S R 7W · Structure no. SA300000000A068

Built
2014
11 years old
Condition
Good
inspected January 2025
Type
Channel Beam
Concrete
Length
131 ft
5 main spans
Daily traffic
2,000
2025 count
Owner
County
County Highway Agency

About this bridge

Seaman Road over Bluff Creek is a concrete channel beam carrying Seaman Road over Bluff Creek in Jackson County, Mississippi. It was built in 2014, so it is 11 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 2,000 vehicles a day, roughly 10% of them trucks, projected to reach 3,000 by 2045. The structure is 131 ft (39.9 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSeaman Road
CrossesBluff Creek
LocationSec 17 T 6S R 7W
Coordinates30.52829, -88.71259
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 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 spans5
Design loadHL 93
Structure length131 ft (39.9 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 (2025)
Projected traffic3,000 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Seaman Road over Bluff Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Seaman Road over Bluff Creek 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 January 2025.

How much traffic does Seaman Road over Bluff Creek carry?

About 2,000 vehicles per day (2025 count), of which roughly 10% are trucks.

How long is Seaman Road over Bluff Creek?

The structure is 131 ft (39.9 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Seaman Road over Bluff Creek?

It is owned by the County Highway Agency.