US Bridges

C-42-850 over Alexander Creek

Good

Spartanburg County, South Carolina · 4.7 MI N Inman · Structure no. 000000000003127

Built
2001
24 years old
Condition
Good
inspected November 2023
Type
Channel Beam
Concrete
Length
50 ft
2 main spans
Daily traffic
225
2023 count
Owner
County
County Highway Agency

About this bridge

C-42-850 over Alexander Creek is a concrete channel beam carrying C-42-850 over Alexander Creek in Spartanburg County, South Carolina. It was built in 2001, so it is 24 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.

It carries about 225 vehicles a day, roughly 5% of them trucks, projected to reach 288 by 2043. The structure is 50 ft (15.2 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC-42-850
CrossesAlexander Creek
Location4.7 MI N Inman
RouteCounty Highway 850
Coordinates35.11639, -82.10565
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.4 m)
Roadway width27 ft (8.3 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
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C-42-850 over Alexander Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is C-42-850 over Alexander 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 2023.

How much traffic does C-42-850 over Alexander Creek carry?

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

How long is C-42-850 over Alexander Creek?

The structure is 50 ft (15.2 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns C-42-850 over Alexander Creek?

It is owned by the County Highway Agency.