US Bridges

Co.Road 459 over Yocona River

FairPosted for load

Lafayette County, Mississippi · Sec 11 T10S R 1W B · Structure no. SA3600000000134

Built
1960
65 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
230 ft
1 main span
Daily traffic
100
2014 count
Owner
County
County Highway Agency

About this bridge

Co.Road 459 over Yocona River is a steel stringer/multi-beam or girder carrying Co.Road 459 over Yocona River in Lafayette County, Mississippi. It was built in 1960, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 12% of them trucks, projected to reach 150 by 2034. The structure is 230 ft (70.1 m) long and 25 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesCo.Road 459
CrossesYocona River
LocationSec 11 T10S R 1W B
RouteCounty Highway 27
Coordinates34.22007, -89.26386
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionDecember 2024
Inspection intervalevery 12 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating26.2 US tons
Inventory rating15.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+10 approach)
Design loadH 15
Structure length230 ft (70.1 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2014)
Projected traffic150 by 2034
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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$599,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Co.Road 459 over Yocona River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Co.Road 459 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 December 2024.

How much traffic does Co.Road 459 over Yocona River carry?

About 100 vehicles per day (2014 count), of which roughly 12% are trucks.

How long is Co.Road 459 over Yocona River?

The structure is 230 ft (70.1 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns Co.Road 459 over Yocona River?

It is owned by the County Highway Agency.