US Bridges

SR 315 over Yocona River

FairPosted for load

Lafayette County, Mississippi · 1.5 MI N Yalobusha Cl · Structure no. 310031503606070

Built
1953
72 years old
Condition
Fair
inspected January 2024
Type
Truss - Thru
Steel
Length
1,360 ft
1 main span
Daily traffic
1,700
2023 count
Owner
State
State Highway Agency

About this bridge

SR 315 over Yocona River is a steel truss - thru carrying SR 315 over Yocona River in Lafayette County, Mississippi. It was built in 1953, so it is 72 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. Its operating status is: posted for load restriction.

It carries about 1,700 vehicles a day, roughly 14% of them trucks, projected to reach 2,100 by 2043. The structure is 1,360 ft (414.5 m) long and 26 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

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CarriesSR 315
CrossesYocona River
Location1.5 MI N Yalobusha Cl
RouteState Highway 315
CountyLafayette County
StateMississippi
Coordinates34.20288, -89.67714
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 12 months
Operating statusPosted for load 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23.3 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+37 approach)
Design loadH 15
Structure length1,360 ft (414.5 m)
Longest span150 ft (45.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic2,100 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 315 over Yocona River built?

It was built in 1953, making it 72 years old in 2025.

What condition is SR 315 over Yocona River 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 January 2024.

How much traffic does SR 315 over Yocona River carry?

About 1,700 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 315 over Yocona River?

The structure is 1,360 ft (414.5 m) long with a longest span of 150 ft (45.7 m) and a deck 26 ft wide.

Who owns SR 315 over Yocona River?

It is owned by the State Highway Agency.