US Bridges

Old Highway 49S over Mound Creek

PoorClosed to traffic

Yazoo County, Mississippi · Sec 11 T 9N R 2W · Structure no. SA8200000000005

Built
1940
85 years old
Condition
Poor
inspected July 2024
Type
Tee Beam
Concrete
Length
90 ft
3 main spans
Daily traffic
180
2021 count
Owner
County
County Highway Agency

About this bridge

Old Highway 49S over Mound Creek is a concrete tee beam carrying Old Highway 49S over Mound Creek in Yazoo County, Mississippi. It was built in 1940, so it is 85 years old, older 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 3 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: closed to all traffic.

It carries about 180 vehicles a day, roughly 8% of them trucks, projected to reach 270 by 2043. The structure is 90 ft (27.4 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Highway 49S
CrossesMound Creek
LocationSec 11 T 9N R 2W
RouteCounty Highway 32
Coordinates32.64014, -90.36939
Functional classRural Local

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
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.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourUnknown foundation; not evaluated for scour
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2021)
Projected traffic270 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$230,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Highway 49S over Mound Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Old Highway 49S over Mound Creek 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 July 2024.

How much traffic does Old Highway 49S over Mound Creek carry?

About 180 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Old Highway 49S over Mound Creek?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns Old Highway 49S over Mound Creek?

It is owned by the County Highway Agency.