US Bridges

S-37-284 over US 76/US 123

Fair

Oconee County, South Carolina · 1 MI N Seneca · Structure no. 000000000002587

Built
1957
68 years old, rebuilt 1971
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
180 ft
4 main spans
Daily traffic
200
2023 count
Owner
State
State Highway Agency

About this bridge

S-37-284 over US 76/US 123 is a steel stringer/multi-beam or girder carrying S-37-284 over US 76/US 123 in Oconee County, South Carolina. It was built in 1957 and reconstructed in 1971, so it is 68 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 200 vehicles a day, roughly 6% of them trucks, projected to reach 282 by 2043. The structure is 180 ft (54.9 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-37-284
CrossesUS 76/US 123
Location1 MI N Seneca
RouteState Highway 284
Coordinates34.69743, -82.95686
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length180 ft (54.9 m)
Longest span50 ft (15.2 m)
Deck width34 ft (10.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic282 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S-37-284 over US 76/US 123 built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1971.

What condition is S-37-284 over US 76/US 123 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 March 2023.

How much traffic does S-37-284 over US 76/US 123 carry?

About 200 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-37-284 over US 76/US 123?

The structure is 180 ft (54.9 m) long with a longest span of 50 ft (15.2 m) and a deck 34 ft wide.

Who owns S-37-284 over US 76/US 123?

It is owned by the State Highway Agency.