US Bridges

S-44-439 over Br Buffalo Cr.

Good

Union County, South Carolina · City of Union · Structure no. 000000000006797

Built
1975
50 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
50
2023 count
Owner
State
State Highway Agency

About this bridge

S-44-439 over Br Buffalo Cr. is a concrete slab carrying S-44-439 over Br Buffalo Cr. in Union County, South Carolina. It was built in 1975, so it is 50 years old, older 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 64 by 2043. The structure is 30 ft (9.1 m) long and 33 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesS-44-439
CrossesBr Buffalo Cr.
LocationCity of Union
RouteState Highway 439
Coordinates34.73611, -81.65028
Functional classUrban 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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic64 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-44-439 over Br Buffalo Cr. built?

It was built in 1975, making it 50 years old in 2025.

What condition is S-44-439 over Br Buffalo Cr. 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 June 2024.

How much traffic does S-44-439 over Br Buffalo Cr. carry?

About 50 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-44-439 over Br Buffalo Cr.?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-44-439 over Br Buffalo Cr.?

It is owned by the State Highway Agency.