US Bridges

S-23-48 over Gilder Creek

Fair

Greenville County, South Carolina · 2.6 MI E Mauldin · Structure no. 000000000001481

Built
1948
77 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
4,900
2023 count
Owner
State
State Highway Agency

About this bridge

S-23-48 over Gilder Creek is a concrete culvert carrying S-23-48 over Gilder Creek in Greenville County, South Carolina. It was built in 1948, so it is 77 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.

It carries about 4,900 vehicles a day, roughly 2% of them trucks, projected to reach 7,497 by 2043. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS-23-48
CrossesGilder Creek
Location2.6 MI E Mauldin
RouteState Highway 48
CountyGreenville County
StateSouth Carolina
Coordinates34.78679, -82.26517
Functional classUrban 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2023)
Projected traffic7,497 by 2043
Trucks2%
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

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$311,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-23-48 over Gilder Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is S-23-48 over Gilder 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 June 2023.

How much traffic does S-23-48 over Gilder Creek carry?

About 4,900 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is S-23-48 over Gilder Creek?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.

Who owns S-23-48 over Gilder Creek?

It is owned by the State Highway Agency.