US Bridges

S-27-29 over I-95

Fair

Jasper County, South Carolina · 0.8 MI SE Ridgeland · Structure no. 000000000004564

Built
1965
60 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
262 ft
4 main spans
Daily traffic
2,200
2023 count
Owner
State
State Highway Agency

About this bridge

S-27-29 over I-95 is a prestressed concrete stringer/multi-beam or girder carrying S-27-29 over I-95 in Jasper County, South Carolina. It was built in 1965, so it is 60 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 2,200 vehicles a day, roughly 6% of them trucks, projected to reach 3,212 by 2043. The structure is 262 ft (79.9 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-27-29
CrossesI-95
Location0.8 MI SE Ridgeland
RouteState Highway 29
Coordinates32.46969, -80.97556
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating33.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length262 ft (79.9 m)
Longest span71 ft (21.6 m)
Deck width39 ft (11.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2023)
Projected traffic3,212 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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-27-29 over I-95 built?

It was built in 1965, making it 60 years old in 2025.

What condition is S-27-29 over I-95 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 S-27-29 over I-95 carry?

About 2,200 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-27-29 over I-95?

The structure is 262 ft (79.9 m) long with a longest span of 71 ft (21.6 m) and a deck 39 ft wide.

Who owns S-27-29 over I-95?

It is owned by the State Highway Agency.