US Bridges

C-4-29 over Ltl Beaverdam Creek

FairPosted for load

Anderson County, South Carolina · 7.5 MI E of Anderson · Structure no. 000000000003172

Built
1960
65 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
3,000
2023 count
Owner
County
County Highway Agency

About this bridge

C-4-29 over Ltl Beaverdam Creek is a steel stringer/multi-beam or girder carrying C-4-29 over Ltl Beaverdam Creek in Anderson County, South Carolina. It was built in 1960, so it is 65 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 3,000 vehicles a day, roughly 3% of them trucks, projected to reach 5,490 by 2043. The structure is 56 ft (17.1 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesC-4-29
CrossesLtl Beaverdam Creek
Location7.5 MI E of Anderson
RouteCounty Highway 29
CountyAnderson County
StateSouth Carolina
Coordinates34.59317, -82.57427
Functional classRural Major 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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.8 US tons
Inventory rating22.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length56 ft (17.1 m)
Longest span56 ft (17.1 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic5,490 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$185,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C-4-29 over Ltl Beaverdam Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is C-4-29 over Ltl Beaverdam Creek 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 September 2024.

How much traffic does C-4-29 over Ltl Beaverdam Creek carry?

About 3,000 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is C-4-29 over Ltl Beaverdam Creek?

The structure is 56 ft (17.1 m) long with a longest span of 56 ft (17.1 m) and a deck 29 ft wide.

Who owns C-4-29 over Ltl Beaverdam Creek?

It is owned by the County Highway Agency.