US Bridges

Martin Road over Bayou-Relief

PoorPosted for load

Jackson County, Mississippi · Sec 18 T 8S R 5W · Structure no. SA3000000000138

Built
1995
30 years old
Condition
Poor
inspected March 2024
Type
Channel Beam
Concrete
Length
107 ft
5 main spans
Daily traffic
1,700
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Martin Road over Bayou-Relief is a concrete channel beam carrying Martin Road over Bayou-Relief in Jackson County, Mississippi. It was built in 1995, so it is 30 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,700 vehicles a day, roughly 10% of them trucks, projected to reach 3,000 by 2044. The structure is 107 ft (32.6 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMartin Road
CrossesBayou-Relief
LocationSec 18 T 8S R 5W
RouteCity Street 319
Coordinates30.34312, -88.52286
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating19.4 US tons
Inventory rating11.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20 + Mod
Structure length107 ft (32.6 m)
Longest span31 ft (9.4 m)
Deck width32 ft (9.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2024)
Projected traffic3,000 by 2044
Trucks10%
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$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Martin Road over Bayou-Relief built?

It was built in 1995, making it 30 years old in 2025.

What condition is Martin Road over Bayou-Relief in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Martin Road over Bayou-Relief carry?

About 1,700 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Martin Road over Bayou-Relief?

The structure is 107 ft (32.6 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.

Who owns Martin Road over Bayou-Relief?

It is owned by the City or Municipal Highway Agency.