US Bridges

Co.Road 337 over Old Yocona River

Fair

Lafayette County, Mississippi · Sec 36 T 9S R 4W B · Structure no. SA3600000000122

Built
1979
46 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
300
2022 count
Owner
County
County Highway Agency

About this bridge

Co.Road 337 over Old Yocona River is a prestressed concrete stringer/multi-beam or girder carrying Co.Road 337 over Old Yocona River in Lafayette County, Mississippi. It was built in 1979, so it is 46 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 300 vehicles a day, roughly 8% of them trucks, projected to reach 450 by 2042. The structure is 120 ft (36.6 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCo.Road 337
CrossesOld Yocona River
LocationSec 36 T 9S R 4W B
RouteCounty Highway 24
CountyLafayette County
StateMississippi
Coordinates34.2615, -89.56815
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment6: Equal to present minimum criteria
Operating rating66.5 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic450 by 2042
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$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Co.Road 337 over Old Yocona River built?

It was built in 1979, making it 46 years old in 2025.

What condition is Co.Road 337 over Old 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 Co.Road 337 over Old Yocona River carry?

About 300 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Co.Road 337 over Old Yocona River?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns Co.Road 337 over Old Yocona River?

It is owned by the County Highway Agency.