US Bridges

SR 563 over Buffalo River

Good

Wilkinson County, Mississippi · 6.9 MI N US 61 · Structure no. 310056307900720

Built
1973
52 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
702 ft
7 main spans
Daily traffic
340
2023 count
Owner
State
State Highway Agency

About this bridge

SR 563 over Buffalo River is a prestressed concrete stringer/multi-beam or girder carrying SR 563 over Buffalo River in Wilkinson County, Mississippi. It was built in 1973, so it is 52 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 340 vehicles a day, roughly 11% of them trucks, projected to reach 340 by 2043. The structure is 702 ft (214 m) long and 29 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesSR 563
CrossesBuffalo River
Location6.9 MI N US 61
RouteState Highway 563
Coordinates31.21715, -91.23998
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable 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 rating69.7 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length702 ft (214 m)
Longest span100 ft (30.5 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2023)
Projected traffic340 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 563 over Buffalo River built?

It was built in 1973, making it 52 years old in 2025.

What condition is SR 563 over Buffalo River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does SR 563 over Buffalo River carry?

About 340 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 563 over Buffalo River?

The structure is 702 ft (214 m) long with a longest span of 100 ft (30.5 m) and a deck 29 ft wide.

Who owns SR 563 over Buffalo River?

It is owned by the State Highway Agency.