US Bridges

L-40-3476 over Gills Creek

Good

Richland County, South Carolina · 4 MI E of Columbia · Structure no. 000000000006770

Built
2003
22 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
120 ft
4 main spans
Daily traffic
225
2023 count
Owner
County
County Highway Agency

About this bridge

L-40-3476 over Gills Creek is a concrete continuous slab carrying L-40-3476 over Gills Creek in Richland County, South Carolina. It was built in 2003, so it is 22 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 7 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 5% of them trucks, projected to reach 288 by 2043. The structure is 120 ft (36.6 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesL-40-3476
CrossesGills Creek
Location4 MI E of Columbia
RouteCounty Highway 3476
Coordinates34.01071, -80.96021
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width37 ft (11.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic288 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was L-40-3476 over Gills Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is L-40-3476 over Gills 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 November 2024.

How much traffic does L-40-3476 over Gills Creek carry?

About 225 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is L-40-3476 over Gills Creek?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 37 ft wide.

Who owns L-40-3476 over Gills Creek?

It is owned by the County Highway Agency.