US Bridges

SR 563 over Unnamed Stream

Fair

Wilkinson County, Mississippi · 6.3 MI N US 61 · Structure no. 310056307900630

Built
1985
40 years old
Condition
Fair
inspected July 2024
Type
Channel Beam
Concrete
Length
93 ft
3 main spans
Daily traffic
340
2023 count
Owner
State
State Highway Agency

About this bridge

SR 563 over Unnamed Stream is a concrete channel beam carrying SR 563 over Unnamed Stream in Wilkinson County, Mississippi. It was built in 1985, so it is 40 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 340 vehicles a day, roughly 11% of them trucks, projected to reach 340 by 2043. The structure is 93 ft (28.3 m) long and 37 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesSR 563
CrossesUnnamed Stream
Location6.3 MI N US 61
RouteState Highway 563
CountyWilkinson County
StateMississippi
Coordinates31.20605, -91.23396
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionJuly 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating24.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 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 Unnamed Stream built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR 563 over Unnamed Stream 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 July 2024.

How much traffic does SR 563 over Unnamed Stream carry?

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

How long is SR 563 over Unnamed Stream?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 37 ft wide.

Who owns SR 563 over Unnamed Stream?

It is owned by the State Highway Agency.