US Bridges

Tantallon Road over Drainage Relief

Good

Jackson County, Mississippi · Sec 7 T 8S R 7W · Structure no. SA3000000000214

Built
2021
4 years old
Condition
Good
inspected June 2024
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
200
2024 count
Owner
County
County Highway Agency

About this bridge

Tantallon Road over Drainage Relief is a concrete channel beam carrying Tantallon Road over Drainage Relief in Jackson County, Mississippi. It was built in 2021, so it is 4 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2044. The structure is 31 ft (9.4 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTantallon Road
CrossesDrainage Relief
LocationSec 7 T 8S R 7W
RouteCounty Highway 0
Coordinates30.35583, -88.71972
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being 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 spans1
Design loadHL 93
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2024)
Projected traffic300 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

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 Tantallon Road over Drainage Relief built?

It was built in 2021, making it 4 years old in 2025.

What condition is Tantallon Road over Drainage Relief 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 June 2024.

How much traffic does Tantallon Road over Drainage Relief carry?

About 200 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Tantallon Road over Drainage Relief?

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

Who owns Tantallon Road over Drainage Relief?

It is owned by the County Highway Agency.