US Bridges

Poplar Flat RD over Sulphur Springs Ck

Fair

Winston County, Mississippi · Sec 10 T15N R12E B · Structure no. SA8000000000069

Built
1975
50 years old
Condition
Fair
inspected April 2024
Type
Channel Beam
Concrete
Length
95 ft
5 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

Poplar Flat RD over Sulphur Springs Ck is a concrete channel beam carrying Poplar Flat RD over Sulphur Springs Ck in Winston County, Mississippi. It was built in 1975, so it is 50 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 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 200 vehicles a day, roughly 8% of them trucks, projected to reach 300 by 2042. The structure is 95 ft (29 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPoplar Flat RD
CrossesSulphur Springs Ck
LocationSec 10 T15N R12E B
RouteCounty Highway 285
Coordinates33.17907, -89.05508
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating38.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic300 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$650,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Poplar Flat RD over Sulphur Springs Ck built?

It was built in 1975, making it 50 years old in 2025.

What condition is Poplar Flat RD over Sulphur Springs Ck 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 April 2024.

How much traffic does Poplar Flat RD over Sulphur Springs Ck carry?

About 200 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Poplar Flat RD over Sulphur Springs Ck?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Poplar Flat RD over Sulphur Springs Ck?

It is owned by the County Highway Agency.