US Bridges

S-4-377 over Beaver Creek

Good

Anderson County, South Carolina · 3.9MI SE Anderson · Structure no. 000000000008965

Built
1996
29 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
3 main spans
Daily traffic
225
2023 count
Owner
State
State Highway Agency

About this bridge

S-4-377 over Beaver Creek is a prestressed concrete stringer/multi-beam or girder carrying S-4-377 over Beaver Creek in Anderson County, South Carolina. It was built in 1996, so it is 29 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 225 vehicles a day, roughly 6% of them trucks, projected to reach 277 by 2043. The structure is 135 ft (41.1 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-4-377
CrossesBeaver Creek
Location3.9MI SE Anderson
RouteState Highway 377
Coordinates34.44704, -82.62475
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span49 ft (14.9 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic277 by 2043
Trucks6%
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-4-377 over Beaver Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is S-4-377 over Beaver Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does S-4-377 over Beaver Creek carry?

About 225 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-4-377 over Beaver Creek?

The structure is 135 ft (41.1 m) long with a longest span of 49 ft (14.9 m) and a deck 36 ft wide.

Who owns S-4-377 over Beaver Creek?

It is owned by the State Highway Agency.