US Bridges

S-11-100 over Doolittle Creek

Good

Cherokee County, South Carolina · 1.2MI SE Blacksburg · Structure no. 000000000007983

Built
1986
39 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
350
2023 count
Owner
State
State Highway Agency

About this bridge

S-11-100 over Doolittle Creek is a concrete culvert carrying S-11-100 over Doolittle Creek in Cherokee County, South Carolina. It was built in 1986, so it is 39 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 350 vehicles a day, roughly 5% of them trucks, projected to reach 448 by 2024. The structure is 26 ft (7.9 m) long and 117 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-11-100
CrossesDoolittle Creek
Location1.2MI SE Blacksburg
RouteState Highway 100
Coordinates35.10639, -81.50611
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating100.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width117 ft (35.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2023)
Projected traffic448 by 2024
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-11-100 over Doolittle Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is S-11-100 over Doolittle 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 S-11-100 over Doolittle Creek carry?

About 350 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-11-100 over Doolittle Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 117 ft wide.

Who owns S-11-100 over Doolittle Creek?

It is owned by the State Highway Agency.