US Bridges

US 521 over Shot Pouch Branch

Fair

Sumter County, South Carolina · 1 MI NW of Sumter · Structure no. 000000000007040

Built
1977
48 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
25,200
2023 count
Owner
State
State Highway Agency

About this bridge

US 521 over Shot Pouch Branch is a concrete culvert carrying US 521 over Shot Pouch Branch in Sumter County, South Carolina. It was built in 1977, so it is 48 years old, younger than the South Carolina average of 48 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 25,200 vehicles a day, roughly 3% of them trucks, projected to reach 17,388 by 2043. The structure is 32 ft (9.8 m) long and 96 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 521
CrossesShot Pouch Branch
Location1 MI NW of Sumter
RouteU.S. Route 521
Coordinates33.92861, -80.36611
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating60.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width96 ft (29.3 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,200 (2023)
Projected traffic17,388 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 521 over Shot Pouch Branch built?

It was built in 1977, making it 48 years old in 2025.

What condition is US 521 over Shot Pouch Branch 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 2025.

How much traffic does US 521 over Shot Pouch Branch carry?

About 25,200 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US 521 over Shot Pouch Branch?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 96 ft wide.

Who owns US 521 over Shot Pouch Branch?

It is owned by the State Highway Agency.