US Bridges

S-11-128 over Martin Creek

Fair

Cherokee County, South Carolina · 8.6MI SW Gaffney · Structure no. 000000000007436

Built
1981
44 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
275
2023 count
Owner
State
State Highway Agency

About this bridge

S-11-128 over Martin Creek is a prestressed concrete channel beam carrying S-11-128 over Martin Creek in Cherokee County, South Carolina. It was built in 1981, so it is 44 years old, younger 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 275 vehicles a day, roughly 5% of them trucks, projected to reach 352 by 2024. The structure is 75 ft (22.9 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesS-11-128
CrossesMartin Creek
Location8.6MI SW Gaffney
RouteState Highway 128
CountyCherokee County
StateSouth Carolina
Coordinates34.97556, -81.74778
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating22.2 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+3 approach)
Design loadH 15
Structure length75 ft (22.9 m)
Longest span30 ft (9.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2023)
Projected traffic352 by 2024
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 S-11-128 over Martin Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is S-11-128 over Martin 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 August 2024.

How much traffic does S-11-128 over Martin Creek carry?

About 275 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-11-128 over Martin Creek?

The structure is 75 ft (22.9 m) long with a longest span of 30 ft (9.1 m) and a deck 35 ft wide.

Who owns S-11-128 over Martin Creek?

It is owned by the State Highway Agency.