US Bridges

L-284 over Vista Greenway

FairPosted for load

Richland County, South Carolina · City of Columbia · Structure no. 000000000000089

Built
1915
110 years old
Condition
Fair
inspected February 2024
Type
Channel Beam
Concrete
Length
22 ft
1 main span
Daily traffic
375
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

L-284 over Vista Greenway is a concrete channel beam carrying L-284 over Vista Greenway in Richland County, South Carolina. It was built in 1915, so it is 110 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 6 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 375 vehicles a day, roughly 1% of them trucks, projected to reach 480 by 2043. The structure is 22 ft (6.7 m) long and 600 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesL-284
CrossesVista Greenway
LocationCity of Columbia
RouteCounty Highway 284
CountyRichland County
StateSouth Carolina
Coordinates34.0034, -81.0402
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating22.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width600 ft (182.9 m)
Roadway width77 ft (23.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2023)
Projected traffic480 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was L-284 over Vista Greenway built?

It was built in 1915, making it 110 years old in 2025.

What condition is L-284 over Vista Greenway 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 February 2024.

How much traffic does L-284 over Vista Greenway carry?

About 375 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is L-284 over Vista Greenway?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 600 ft wide.

Who owns L-284 over Vista Greenway?

It is owned by the City or Municipal Highway Agency.