US Bridges

US 1 over S.C.L. Railroad

PoorPosted for load

Chesterfield County, South Carolina · 0.8 MI N of Mcbee · Structure no. 000000000003836

Built
1962
63 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
197 ft
5 main spans
Daily traffic
4,100
2023 count
Owner
State
State Highway Agency

About this bridge

US 1 over S.C.L. Railroad is a steel stringer/multi-beam or girder carrying US 1 over S.C.L. Railroad in Chesterfield County, South Carolina. It was built in 1962, so it is 63 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. Its operating status is: posted for load restriction.

It carries about 4,100 vehicles a day, roughly 17% of them trucks, projected to reach 7,134 by 2043. The structure is 197 ft (60 m) long and 34 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS 1
CrossesS.C.L. Railroad
Location0.8 MI N of Mcbee
RouteU.S. Route 1
Coordinates34.49088, -80.24573
Functional classRural Principal Arterial - Other

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.5 US tons
Inventory rating25.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length197 ft (60 m)
Longest span53 ft (16.2 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2023)
Projected traffic7,134 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed9.9 mi (16 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$1.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 1 over S.C.L. Railroad built?

It was built in 1962, making it 63 years old in 2025.

What condition is US 1 over S.C.L. Railroad 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 January 2025.

How much traffic does US 1 over S.C.L. Railroad carry?

About 4,100 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US 1 over S.C.L. Railroad?

The structure is 197 ft (60 m) long with a longest span of 53 ft (16.2 m) and a deck 34 ft wide.

Who owns US 1 over S.C.L. Railroad?

It is owned by the State Highway Agency.