US Bridges

US 15 over I-95

Fair

Orangeburg County, South Carolina · 8MI NW of Holly Hill · Structure no. 000000000005997

Built
1971
54 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
272 ft
4 main spans
Daily traffic
2,800
2023 count
Owner
State
State Highway Agency

About this bridge

US 15 over I-95 is a steel stringer/multi-beam or girder carrying US 15 over I-95 in Orangeburg County, South Carolina. It was built in 1971, so it is 54 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 6 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 2,800 vehicles a day, roughly 11% of them trucks, projected to reach 4,088 by 2043. The structure is 272 ft (82.9 m) long and 63 ft wide.

CarriesUS 15
CrossesI-95
Location8MI NW of Holly Hill
RouteU.S. Route 15
Coordinates33.41278, -80.49972
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 rating59.3 US tons
Inventory rating45.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length272 ft (82.9 m)
Longest span99 ft (30.2 m)
Deck width63 ft (19.3 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2023)
Projected traffic4,088 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 US 15 over I-95 built?

It was built in 1971, making it 54 years old in 2025.

What condition is US 15 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 August 2023.

How much traffic does US 15 over I-95 carry?

About 2,800 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US 15 over I-95?

The structure is 272 ft (82.9 m) long with a longest span of 99 ft (30.2 m) and a deck 63 ft wide.

Who owns US 15 over I-95?

It is owned by the State Highway Agency.