US Bridges

Alamucha-Whynot RD over Little Alamucha Ck

Good

Lauderdale County, Mississippi · Sec 21 T 6N R18E B · Structure no. SA3800000000149

Built
1989
36 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
120
2021 count
Owner
County
County Highway Agency

About this bridge

Alamucha-Whynot RD over Little Alamucha Ck is a prestressed concrete stringer/multi-beam or girder carrying Alamucha-Whynot RD over Little Alamucha Ck in Lauderdale County, Mississippi. It was built in 1989, so it is 36 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 120 vehicles a day, roughly 10% of them trucks, projected to reach 180 by 2043. The structure is 120 ft (36.6 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesAlamucha-Whynot RD
CrossesLittle Alamucha Ck
LocationSec 21 T 6N R18E B
RouteCounty Highway 1521
Coordinates32.35053, -88.46826
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.3 US tons
Inventory rating33.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2021)
Projected traffic180 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$950,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Alamucha-Whynot RD over Little Alamucha Ck built?

It was built in 1989, making it 36 years old in 2025.

What condition is Alamucha-Whynot RD over Little Alamucha Ck in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Alamucha-Whynot RD over Little Alamucha Ck carry?

About 120 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Alamucha-Whynot RD over Little Alamucha Ck?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns Alamucha-Whynot RD over Little Alamucha Ck?

It is owned by the County Highway Agency.