US Bridges

C-42-1580 over Fairforest Creek

PoorPosted for load

Spartanburg County, South Carolina · South Liberty ST Sptbg · Structure no. 000000000007624

Built
1982
43 years old
Condition
Poor
inspected November 2024
Type
Slab
Concrete
Length
120 ft
4 main spans
Daily traffic
550
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

C-42-1580 over Fairforest Creek is a concrete slab carrying C-42-1580 over Fairforest Creek in Spartanburg County, South Carolina. It was built in 1982, so it is 43 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 550 vehicles a day, roughly 6% of them trucks, projected to reach 825 by 2043. The structure is 120 ft (36.6 m) long and 42 ft wide.

CarriesC-42-1580
CrossesFairforest Creek
LocationSouth Liberty ST Sptbg
RouteCounty Highway 1580
Coordinates34.92625, -81.93102
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating13.2 US tons
Inventory rating7.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2023)
Projected traffic825 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$194,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C-42-1580 over Fairforest Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is C-42-1580 over Fairforest Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does C-42-1580 over Fairforest Creek carry?

About 550 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is C-42-1580 over Fairforest Creek?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns C-42-1580 over Fairforest Creek?

It is owned by the City or Municipal Highway Agency.