US Bridges

US 123 over L-3199/REEDY River

Poor

Greenville County, South Carolina · City of Greenville · Structure no. 000000000005293

Built
1968
57 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
755 ft
12 main spans
Daily traffic
30,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 123 over L-3199/REEDY River is a steel stringer/multi-beam or girder carrying US 123 over L-3199/REEDY River in Greenville County, South Carolina. It was built in 1968, so it is 57 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 30,600 vehicles a day, roughly 9% of them trucks, projected to reach 44,370 by 2043. The structure is 755 ft (230.1 m) long and 66 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 123
CrossesL-3199/REEDY River
LocationCity of Greenville
RouteU.S. Route 123
Coordinates34.84875, -82.40405
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, 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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length755 ft (230.1 m)
Longest span110 ft (33.5 m)
Deck width66 ft (20.2 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,600 (2023)
Projected traffic44,370 by 2043
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 123 over L-3199/REEDY River built?

It was built in 1968, making it 57 years old in 2025.

What condition is US 123 over L-3199/REEDY River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does US 123 over L-3199/REEDY River carry?

About 30,600 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 123 over L-3199/REEDY River?

The structure is 755 ft (230.1 m) long with a longest span of 110 ft (33.5 m) and a deck 66 ft wide.

Who owns US 123 over L-3199/REEDY River?

It is owned by the State Highway Agency.