US Bridges

S-9-266 over Southern Rwy

Fair

Calhoun County, South Carolina · City of ST Mathews · Structure no. 000000000004944

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
102 ft
3 main spans
Daily traffic
75
2023 count
Owner
State
State Highway Agency

About this bridge

S-9-266 over Southern Rwy is a concrete slab carrying S-9-266 over Southern Rwy in Calhoun County, South Carolina. It was built in 1967, so it is 58 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 75 vehicles a day, projected to reach 96 by 2043. The structure is 102 ft (31.1 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesS-9-266
CrossesSouthern Rwy
LocationCity of ST Mathews
RouteState Highway 266
CountyCalhoun County
StateSouth Carolina
Coordinates33.66566, -80.77667
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length102 ft (31.1 m)
Longest span34 ft (10.4 m)
Deck width37 ft (11.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic96 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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-9-266 over Southern Rwy built?

It was built in 1967, making it 58 years old in 2025.

What condition is S-9-266 over Southern Rwy 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 2023.

How much traffic does S-9-266 over Southern Rwy carry?

About 75 vehicles per day (2023 count).

How long is S-9-266 over Southern Rwy?

The structure is 102 ft (31.1 m) long with a longest span of 34 ft (10.4 m) and a deck 37 ft wide.

Who owns S-9-266 over Southern Rwy?

It is owned by the State Highway Agency.