US Bridges

Old Biloxi RD over Relief

Good

Jackson County, Mississippi · Sec 9 T 4S R 8W · Structure no. SA3000000000021

Built
2005
20 years old
Condition
Good
inspected November 2024
Type
Channel Beam
Concrete
Length
69 ft
3 main spans
Daily traffic
370
2024 count
Owner
County
County Highway Agency

About this bridge

Old Biloxi RD over Relief is a concrete channel beam carrying Old Biloxi RD over Relief in Jackson County, Mississippi. It was built in 2005, so it is 20 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 370 vehicles a day, roughly 10% of them trucks, projected to reach 600 by 2044. The structure is 69 ft (21 m) long and 31 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesOld Biloxi RD
CrossesRelief
LocationSec 9 T 4S R 8W
RouteCounty Highway 116
Coordinates30.70417, -88.79139
Functional classRural Major 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 inspectionNovember 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 geometry6: Equal to present minimum criteria
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 spans3
Design loadHS 20
Structure length69 ft (21 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2024)
Projected traffic600 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Old Biloxi RD over Relief built?

It was built in 2005, making it 20 years old in 2025.

What condition is Old Biloxi RD over 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 November 2024.

How much traffic does Old Biloxi RD over Relief carry?

About 370 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Old Biloxi RD over Relief?

The structure is 69 ft (21 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Old Biloxi RD over Relief?

It is owned by the County Highway Agency.