US Bridges

SR 336 over Lappatubby Creek

Fair

Pontotoc County, Mississippi · 2.1 MI W SR 15 · Structure no. 310033605801660

Built
1981
44 years old
Condition
Fair
inspected April 2023
Type
Channel Beam
Concrete
Length
107 ft
1 main span
Daily traffic
1,600
2023 count
Owner
State
State Highway Agency

About this bridge

SR 336 over Lappatubby Creek is a concrete channel beam carrying SR 336 over Lappatubby Creek in Pontotoc County, Mississippi. It was built in 1981, so it is 44 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 1,600 vehicles a day, roughly 13% of them trucks, projected to reach 1,600 by 2043. The structure is 107 ft (32.6 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR 336
CrossesLappatubby Creek
Location2.1 MI W SR 15
RouteState Highway 336
Coordinates34.2713, -89.05027
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.6 US tons
Inventory rating31.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1 (+4 approach)
Design loadH 15
Structure length107 ft (32.6 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic1,600 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$191 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 336 over Lappatubby Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is SR 336 over Lappatubby Creek 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 2023.

How much traffic does SR 336 over Lappatubby Creek carry?

About 1,600 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SR 336 over Lappatubby Creek?

The structure is 107 ft (32.6 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns SR 336 over Lappatubby Creek?

It is owned by the State Highway Agency.