US Bridges

SR 336 over Buttermilk Branch

Fair

Pontotoc County, Mississippi · 5.2 MI W SR 76 · Structure no. 310033605800830

Built
1983
42 years old
Condition
Fair
inspected March 2023
Type
Channel Beam
Concrete
Length
76 ft
4 main spans
Daily traffic
120
2023 count
Owner
State
State Highway Agency

About this bridge

SR 336 over Buttermilk Branch is a concrete channel beam carrying SR 336 over Buttermilk Branch in Pontotoc County, Mississippi. It was built in 1983, so it is 42 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 120 vehicles a day, roughly 13% of them trucks, projected to reach 120 by 2043. The structure is 76 ft (23.2 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesSR 336
CrossesButtermilk Branch
Location5.2 MI W SR 76
RouteState Highway 336
CountyPontotoc County
StateMississippi
Coordinates34.31256, -89.18426
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
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 rating67.7 US tons
Inventory rating40.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 15
Structure length76 ft (23.2 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 traffic120 (2023)
Projected traffic120 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 336 over Buttermilk Branch built?

It was built in 1983, making it 42 years old in 2025.

What condition is SR 336 over Buttermilk Branch 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 March 2023.

How much traffic does SR 336 over Buttermilk Branch carry?

About 120 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SR 336 over Buttermilk Branch?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns SR 336 over Buttermilk Branch?

It is owned by the State Highway Agency.