US Bridges

S-4-1098 over 18 MI Ck- Lake Hartwell

FairClosed to traffic

Anderson County, South Carolina · 11.5 MI NW Anderson · Structure no. 000000000004928

Built
1967
58 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
151 ft
4 main spans
Daily traffic
900
2023 count
Owner
State
State Highway Agency

About this bridge

S-4-1098 over 18 MI Ck- Lake Hartwell is a steel stringer/multi-beam or girder carrying S-4-1098 over 18 MI Ck- Lake Hartwell in Anderson 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 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: closed to all traffic.

It carries about 900 vehicles a day, roughly 8% of them trucks, projected to reach 1,062 by 2043. The structure is 151 ft (46 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesS-4-1098
Crosses18 MI Ck- Lake Hartwell
Location11.5 MI NW Anderson
RouteState Highway 1098
Coordinates34.59631, -82.82109
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourUnknown foundation; not evaluated for scour
Structural evaluation0: Immediate repair necessary to put back in service
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 rating11.5 US tons
Inventory rating6.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 10
Structure length151 ft (46 m)
Longest span48 ft (14.6 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2023)
Projected traffic1,062 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-4-1098 over 18 MI Ck- Lake Hartwell built?

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

What condition is S-4-1098 over 18 MI Ck- 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 January 2024.

How much traffic does S-4-1098 over 18 MI Ck- Lake Hartwell carry?

About 900 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is S-4-1098 over 18 MI Ck- Lake Hartwell?

The structure is 151 ft (46 m) long with a longest span of 48 ft (14.6 m) and a deck 30 ft wide.

Who owns S-4-1098 over 18 MI Ck- Lake Hartwell?

It is owned by the State Highway Agency.