US Bridges

SR 19 over Big Black Relief

Fair

Holmes County, Mississippi · 0.3 MI E US 51 · Structure no. 310001902611510

Built
1966
59 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
280 ft
14 main spans
Daily traffic
660
2023 count
Owner
State
State Highway Agency

About this bridge

SR 19 over Big Black Relief is a concrete slab carrying SR 19 over Big Black Relief in Holmes County, Mississippi. It was built in 1966, so it is 59 years old, older 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 5 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 660 vehicles a day, roughly 11% of them trucks, projected to reach 660 by 2043. The structure is 280 ft (85.3 m) long and 31 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesSR 19
CrossesBig Black Relief
Location0.3 MI E US 51
RouteState Highway 19
Coordinates33.19529, -89.77264
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.8 US tons
Inventory rating36.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans14
Design loadHS 15
Structure length280 ft (85.3 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2023)
Projected traffic660 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed26.1 mi (42 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$494 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 19 over Big Black Relief built?

It was built in 1966, making it 59 years old in 2025.

What condition is SR 19 over Big Black 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 June 2024.

How much traffic does SR 19 over Big Black Relief carry?

About 660 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 19 over Big Black Relief?

The structure is 280 ft (85.3 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns SR 19 over Big Black Relief?

It is owned by the State Highway Agency.