US Bridges

S-37-51 over Snow Creek

PoorPosted for load

Oconee County, South Carolina · 5 MI SW Seneca · Structure no. 000000000001892

Built
1952
73 years old
Condition
Poor
inspected February 2025
Type
Channel Beam
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
1,350
2023 count
Owner
State
State Highway Agency

About this bridge

S-37-51 over Snow Creek is a prestressed concrete channel beam carrying S-37-51 over Snow Creek in Oconee 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,350 vehicles a day, roughly 8% of them trucks, projected to reach 1,971 by 2043. The structure is 90 ft (27.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-37-51
CrossesSnow Creek
Location5 MI SW Seneca
RouteState Highway 51
Coordinates34.6237, -82.99445
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.8 US tons
Inventory rating5.7 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadH 10
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,350 (2023)
Projected traffic1,971 by 2043
Trucks8%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$540,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-37-51 over Snow Creek built?

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

What condition is S-37-51 over Snow Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does S-37-51 over Snow Creek carry?

About 1,350 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is S-37-51 over Snow Creek?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns S-37-51 over Snow Creek?

It is owned by the State Highway Agency.