US Bridges

C-42-3787 over NS RR

PoorPosted for load

Spartanburg County, South Carolina · Riverside - Spartanburg · Structure no. 000000000001317

Built
1945
80 years old, rebuilt 1989
Condition
Poor
inspected February 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
111 ft
5 main spans
Daily traffic
225
2023 count
Owner
Railroad
Railroad

About this bridge

C-42-3787 over NS RR is a wood or timber stringer/multi-beam or girder carrying C-42-3787 over NS RR in Spartanburg County, South Carolina. It was built in 1945 and reconstructed in 1989, so it is 80 years old, older 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 225 vehicles a day, roughly 5% of them trucks, projected to reach 288 by 2043. The structure is 111 ft (33.9 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC-42-3787
CrossesNS RR
LocationRiverside - Spartanburg
RouteCounty Highway 3787
Coordinates34.94656, -81.90341
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating13.2 US tons
Inventory rating8.9 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadUnknown
Structure length111 ft (33.9 m)
Longest span22 ft (6.8 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic288 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byRailroad
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$563,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was C-42-3787 over NS RR built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1989.

What condition is C-42-3787 over NS RR 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 February 2025.

How much traffic does C-42-3787 over NS RR carry?

About 225 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-42-3787 over NS RR?

The structure is 111 ft (33.9 m) long with a longest span of 22 ft (6.8 m) and a deck 20 ft wide.

Who owns C-42-3787 over NS RR?

It is owned by the Railroad.