US Bridges

US 601 over Colonels Creek

PoorPosted for load

Richland County, South Carolina · 7 MI N of Eastover · Structure no. 000000000000973

Built
1939
86 years old, rebuilt 1972
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
176 ft
7 main spans
Daily traffic
5,700
2023 count
Owner
State
State Highway Agency

About this bridge

US 601 over Colonels Creek is a steel continuous stringer/multi-beam or girder carrying US 601 over Colonels Creek in Richland County, South Carolina. It was built in 1939 and reconstructed in 1972, so it is 86 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 5,700 vehicles a day, roughly 16% of them trucks, projected to reach 9,918 by 2024. The structure is 176 ft (53.6 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 601
CrossesColonels Creek
Location7 MI N of Eastover
RouteU.S. Route 601
Coordinates33.98389, -80.70472
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
Deck7 GoodSome minor problems.
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 6 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.9 US tons
Inventory rating16.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length176 ft (53.6 m)
Longest span26 ft (7.8 m)
Deck width47 ft (14.3 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2023)
Projected traffic9,918 by 2024
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$338,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 601 over Colonels Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1972.

What condition is US 601 over Colonels Creek 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 August 2024.

How much traffic does US 601 over Colonels Creek carry?

About 5,700 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US 601 over Colonels Creek?

The structure is 176 ft (53.6 m) long with a longest span of 26 ft (7.8 m) and a deck 47 ft wide.

Who owns US 601 over Colonels Creek?

It is owned by the State Highway Agency.