US Bridges

S-27-172 over I-95 & S-425

Fair

Jasper County, South Carolina · 8.8 NE Ridgeland · Structure no. 000000000006522

Built
1974
51 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
351 ft
5 main spans
Daily traffic
125
2023 count
Owner
State
State Highway Agency

About this bridge

S-27-172 over I-95 & S-425 is a steel stringer/multi-beam or girder carrying S-27-172 over I-95 & S-425 in Jasper County, South Carolina. It was built in 1974, so it is 51 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 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 351 ft (107 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesS-27-172
CrossesI-95 & S-425
Location8.8 NE Ridgeland
RouteState Highway 172
Coordinates32.59499, -80.91333
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating31.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length351 ft (107 m)
Longest span88 ft (26.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck22 ft (6.7 m)

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed123.7 mi (199 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-27-172 over I-95 & S-425 built?

It was built in 1974, making it 51 years old in 2025.

What condition is S-27-172 over I-95 & S-425 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-27-172 over I-95 & S-425 carry?

About 125 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-27-172 over I-95 & S-425?

The structure is 351 ft (107 m) long with a longest span of 88 ft (26.8 m) and a deck 43 ft wide.

Who owns S-27-172 over I-95 & S-425?

It is owned by the State Highway Agency.