US Bridges

S-37-147 over Trib to Beaverdam CR

Fair

Oconee County, South Carolina · 7 MI S Seneca · Structure no. 000000000005131

Built
1967
58 years old
Condition
Fair
inspected March 2025
Type
Slab
Concrete
Length
90 ft
6 main spans
Daily traffic
125
2023 count
Owner
State
State Highway Agency

About this bridge

S-37-147 over Trib to Beaverdam CR is a concrete slab carrying S-37-147 over Trib to Beaverdam CR in Oconee 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 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 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 90 ft (27.4 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-37-147
CrossesTrib to Beaverdam CR
Location7 MI S Seneca
RouteState Highway 147
Coordinates34.58474, -82.95333
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2025
Inspection intervalevery 24 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadH 10
Structure length90 ft (27.4 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 by 2043
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-37-147 over Trib to Beaverdam CR built?

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

What condition is S-37-147 over Trib to Beaverdam CR 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 2025.

How much traffic does S-37-147 over Trib to Beaverdam CR carry?

About 125 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-37-147 over Trib to Beaverdam CR?

The structure is 90 ft (27.4 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-37-147 over Trib to Beaverdam CR?

It is owned by the State Highway Agency.