US Bridges

SR 12 over Relief

Fair

Holmes County, Mississippi · 1.3 MI E US 51 · Structure no. 310001202608330

Built
1991
34 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
282 ft
7 main spans
Daily traffic
3,800
2023 count
Owner
State
State Highway Agency

About this bridge

SR 12 over Relief is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 12 over Relief in Holmes County, Mississippi. It was built in 1991, so it is 34 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,800 vehicles a day, roughly 14% of them trucks, projected to reach 3,800 by 2043. The structure is 282 ft (86 m) long and 43 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesSR 12
CrossesRelief
Location1.3 MI E US 51
RouteState Highway 12
Coordinates33.06449, -89.83662
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating37.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length282 ft (86 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2023)
Projected traffic3,800 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed34.2 mi (55 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 12 over Relief built?

It was built in 1991, making it 34 years old in 2025.

What condition is SR 12 over Relief in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does SR 12 over Relief carry?

About 3,800 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 12 over Relief?

The structure is 282 ft (86 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns SR 12 over Relief?

It is owned by the State Highway Agency.