US Bridges

C-4-3084 over Beaverdam Cr.

FairPosted for load

Anderson County, South Carolina · 11.7 MI NE of Anderson · Structure no. 000000000004705

Built
1966
59 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
150
2023 count
Owner
County
County Highway Agency

About this bridge

C-4-3084 over Beaverdam Cr. is a steel stringer/multi-beam or girder carrying C-4-3084 over Beaverdam Cr. in Anderson County, South Carolina. It was built in 1966, so it is 59 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 8% of them trucks, projected to reach 369 by 2043. The structure is 31 ft (9.4 m) long and 28 ft wide.

CarriesC-4-3084
CrossesBeaverdam Cr.
Location11.7 MI NE of Anderson
RouteCounty Highway 3084
Coordinates34.65968, -82.56898
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.5 US tons
Inventory rating10.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic369 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$59,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C-4-3084 over Beaverdam Cr. built?

It was built in 1966, making it 59 years old in 2025.

What condition is C-4-3084 over 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 November 2024.

How much traffic does C-4-3084 over Beaverdam Cr. carry?

About 150 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is C-4-3084 over Beaverdam Cr.?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns C-4-3084 over Beaverdam Cr.?

It is owned by the County Highway Agency.