US Bridges

Co.Road 337 over Yocona River

FairPosted for load

Lafayette County, Mississippi · Sec 36 T 9S R 4W B · Structure no. SA3600000000120

Built
1969
56 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
197 ft
3 main spans
Daily traffic
300
2014 count
Owner
County
County Highway Agency

About this bridge

Co.Road 337 over Yocona River is a prestressed concrete stringer/multi-beam or girder carrying Co.Road 337 over Yocona River in Lafayette County, Mississippi. It was built in 1969, so it is 56 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 300 vehicles a day, roughly 8% of them trucks, projected to reach 450 by 2034. The structure is 197 ft (60 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCo.Road 337
CrossesYocona River
LocationSec 36 T 9S R 4W B
RouteCounty Highway 24
CountyLafayette County
StateMississippi
Coordinates34.25414, -89.56588
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating26 US tons
Inventory rating15.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length197 ft (60 m)
Longest span80 ft (24.4 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2014)
Projected traffic450 by 2034
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$575,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Co.Road 337 over Yocona River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Co.Road 337 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 October 2024.

How much traffic does Co.Road 337 over Yocona River carry?

About 300 vehicles per day (2014 count), of which roughly 8% are trucks.

How long is Co.Road 337 over Yocona River?

The structure is 197 ft (60 m) long with a longest span of 80 ft (24.4 m) and a deck 29 ft wide.

Who owns Co.Road 337 over Yocona River?

It is owned by the County Highway Agency.