US Bridges

C-36-509 over Trib to Cannons Ck

FairPosted for load

Newberry County, South Carolina · 4.8MI SE of Newberry · Structure no. 000000000003938

Built
1962
63 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
31 ft
2 main spans
Daily traffic
125
2023 count
Owner
County
County Highway Agency

About this bridge

C-36-509 over Trib to Cannons Ck is a wood or timber stringer/multi-beam or girder carrying C-36-509 over Trib to Cannons Ck in Newberry County, South Carolina. It was built in 1962, so it is 63 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 31 ft (9.4 m) long and 15 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC-36-509
CrossesTrib to Cannons Ck
Location4.8MI SE of Newberry
RouteCounty Highway 509
Coordinates34.2512, -81.53866
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating13.2 US tons
Inventory rating9.6 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span16 ft (4.9 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-lane bridge for two-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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$189,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C-36-509 over Trib to Cannons Ck built?

It was built in 1962, making it 63 years old in 2025.

What condition is C-36-509 over Trib to Cannons Ck 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 2024.

How much traffic does C-36-509 over Trib to Cannons Ck carry?

About 125 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-36-509 over Trib to Cannons Ck?

The structure is 31 ft (9.4 m) long with a longest span of 16 ft (4.9 m) and a deck 15 ft wide.

Who owns C-36-509 over Trib to Cannons Ck?

It is owned by the County Highway Agency.