US Bridges

C-4-9046 over Trib. Lake Hartwell

FairPosted for load

Anderson County, South Carolina · 7.0 MI W of Anderson · Structure no. 000000000001302

Built
1945
80 years old, rebuilt 2000
Condition
Fair
inspected November 2024
Type
Truss - Thru
Steel
Length
60 ft
1 main span
Daily traffic
125
2023 count
Owner
County
County Highway Agency

About this bridge

C-4-9046 over Trib. Lake Hartwell is a steel truss - thru carrying C-4-9046 over Trib. Lake Hartwell in Anderson County, South Carolina. It was built in 1945 and reconstructed in 2000, so it is 80 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. Its operating status is: posted for load restriction.

It carries about 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 60 ft (18.4 m) long and 19 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesC-4-9046
CrossesTrib. Lake Hartwell
Location7.0 MI W of Anderson
RouteCounty Highway 9046
CountyAnderson County
StateSouth Carolina
Coordinates34.52517, -82.76434
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating5.7 US tons
Inventory rating3.2 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 10
Structure length60 ft (18.4 m)
Longest span60 ft (18.4 m)
Deck width19 ft (5.8 m)
Roadway width19 ft (5.8 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 closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$309,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C-4-9046 over Trib. Lake Hartwell built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 2000.

What condition is C-4-9046 over Trib. Lake Hartwell 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-4-9046 over Trib. Lake Hartwell carry?

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

How long is C-4-9046 over Trib. Lake Hartwell?

The structure is 60 ft (18.4 m) long with a longest span of 60 ft (18.4 m) and a deck 19 ft wide.

Who owns C-4-9046 over Trib. Lake Hartwell?

It is owned by the County Highway Agency.