US Bridges

S-37-174 over Trib to Oconee Creek

Poor

Oconee County, South Carolina · 5.5 MI N Walhalla · Structure no. 000000000008657

Built
1993
32 years old
Condition
Poor
inspected February 2025
Type
Channel Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
425
2023 count
Owner
State
State Highway Agency

About this bridge

S-37-174 over Trib to Oconee Creek is a prestressed concrete channel beam carrying S-37-174 over Trib to Oconee Creek in Oconee County, South Carolina. It was built in 1993, so it is 32 years old, younger 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.

It carries about 425 vehicles a day, roughly 5% of them trucks, projected to reach 544 by 2043. The structure is 30 ft (9.1 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-37-174
CrossesTrib to Oconee Creek
Location5.5 MI N Walhalla
RouteState Highway 174
Coordinates34.84403, -83.07465
Functional classRural Local

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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45.3 US tons
Inventory rating22.8 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2023)
Projected traffic544 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-37-174 over Trib to Oconee Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is S-37-174 over Trib to Oconee 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-37-174 over Trib to Oconee Creek carry?

About 425 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-37-174 over Trib to Oconee Creek?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns S-37-174 over Trib to Oconee Creek?

It is owned by the State Highway Agency.