US Bridges

S-36-299 over Cannons Creek

GoodPosted for load

Newberry County, South Carolina · 8.8 MI E Newberry · Structure no. 000000000003930

Built
1988
37 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
5 main spans
Daily traffic
150
2023 count
Owner
State
State Highway Agency

About this bridge

S-36-299 over Cannons Creek is a prestressed concrete stringer/multi-beam or girder carrying S-36-299 over Cannons Creek in Newberry County, South Carolina. It was built in 1988, so it is 37 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. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 5% of them trucks, projected to reach 192 by 2043. The structure is 150 ft (45.7 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-36-299
CrossesCannons Creek
Location8.8 MI E Newberry
RouteState Highway 299
Coordinates34.27556, -81.46444
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.5 US tons
Inventory rating7.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadH 10
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic192 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$195,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-36-299 over Cannons Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is S-36-299 over Cannons 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 July 2024.

How much traffic does S-36-299 over Cannons Creek carry?

About 150 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-36-299 over Cannons Creek?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns S-36-299 over Cannons Creek?

It is owned by the State Highway Agency.