US Bridges

S-1-1 over Blue Hill Creek

Good

Abbeville County, South Carolina · City of Abbeville · Structure no. 000000000000662

Built
1935
90 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
2,700
2023 count
Owner
State
State Highway Agency

About this bridge

S-1-1 over Blue Hill Creek is a concrete culvert carrying S-1-1 over Blue Hill Creek in Abbeville County, South Carolina. It was built in 1935, so it is 90 years old, older 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 2,700 vehicles a day, roughly 4% of them trucks, projected to reach 3,942 by 2043. The structure is 34 ft (10.4 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-1-1
CrossesBlue Hill Creek
LocationCity of Abbeville
RouteState Highway 1
Coordinates34.17048, -82.38257
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width55 ft (16.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2023)
Projected traffic3,942 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-1-1 over Blue Hill Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is S-1-1 over Blue Hill 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 October 2024.

How much traffic does S-1-1 over Blue Hill Creek carry?

About 2,700 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is S-1-1 over Blue Hill Creek?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 55 ft wide.

Who owns S-1-1 over Blue Hill Creek?

It is owned by the State Highway Agency.