US Bridges

S-29-12 over Bear Creek

FairPosted for load

Lancaster County, South Carolina · Springdale Rd-Lancaster · Structure no. 000000000005793

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
90 ft
6 main spans
Daily traffic
7,900
2023 count
Owner
State
State Highway Agency

About this bridge

S-29-12 over Bear Creek is a concrete slab carrying S-29-12 over Bear Creek in Lancaster County, South Carolina. It was built in 1970, so it is 55 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 5 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 7,900 vehicles a day, roughly 2% of them trucks, projected to reach 11,139 by 2043. The structure is 90 ft (27.4 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-29-12
CrossesBear Creek
LocationSpringdale Rd-Lancaster
RouteState Highway 12
Coordinates34.71139, -80.78472
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.5 US tons
Inventory rating15.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadH 10
Structure length90 ft (27.4 m)
Longest span15 ft (4.6 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2023)
Projected traffic11,139 by 2043
Trucks2%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$677,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-29-12 over Bear Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is S-29-12 over Bear Creek 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 July 2024.

How much traffic does S-29-12 over Bear Creek carry?

About 7,900 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is S-29-12 over Bear Creek?

The structure is 90 ft (27.4 m) long with a longest span of 15 ft (4.6 m) and a deck 29 ft wide.

Who owns S-29-12 over Bear Creek?

It is owned by the State Highway Agency.