US Bridges

S-13-29 over S.C.L. Railroad

Fair

Chesterfield County, South Carolina · 14 MI S Ruby · Structure no. 000000000004969

Built
1967
58 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
144 ft
3 main spans
Daily traffic
850
2023 count
Owner
State
State Highway Agency

About this bridge

S-13-29 over S.C.L. Railroad is a prestressed concrete stringer/multi-beam or girder carrying S-13-29 over S.C.L. Railroad in Chesterfield County, South Carolina. It was built in 1967, so it is 58 years old, older 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 5 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 850 vehicles a day, roughly 8% of them trucks, projected to reach 1,241 by 2043. The structure is 144 ft (43.9 m) long and 30 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesS-13-29
CrossesS.C.L. Railroad
Location14 MI S Ruby
RouteState Highway 29
Coordinates34.54999, -80.12974
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating33.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length144 ft (43.9 m)
Longest span48 ft (14.6 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2023)
Projected traffic1,241 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed19.9 mi (32 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-13-29 over S.C.L. Railroad built?

It was built in 1967, making it 58 years old in 2025.

What condition is S-13-29 over S.C.L. Railroad 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 April 2024.

How much traffic does S-13-29 over S.C.L. Railroad carry?

About 850 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is S-13-29 over S.C.L. Railroad?

The structure is 144 ft (43.9 m) long with a longest span of 48 ft (14.6 m) and a deck 30 ft wide.

Who owns S-13-29 over S.C.L. Railroad?

It is owned by the State Highway Agency.