US Bridges

US 176 over Duncan Creek

Fair

Newberry County, South Carolina · 14.9 MI N E of Newberry · Structure no. 000000000001889

Built
1952
73 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
270 ft
9 main spans
Daily traffic
3,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 176 over Duncan Creek is a concrete tee beam carrying US 176 over Duncan Creek in Newberry County, South Carolina. It was built in 1952, so it is 73 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 3,600 vehicles a day, roughly 16% of them trucks, projected to reach 5,724 by 2043. The structure is 270 ft (82.3 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUS 176
CrossesDuncan Creek
Location14.9 MI N E of Newberry
RouteU.S. Route 176
CountyNewberry County
StateSouth Carolina
Coordinates34.49022, -81.59208
Functional classRural Minor Arterial

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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadH 20
Structure length270 ft (82.3 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic5,724 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 176 over Duncan Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is US 176 over Duncan Creek 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 July 2024.

How much traffic does US 176 over Duncan Creek carry?

About 3,600 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US 176 over Duncan Creek?

The structure is 270 ft (82.3 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns US 176 over Duncan Creek?

It is owned by the State Highway Agency.