US Bridges

S-29-57 over Bear Creek

FairPosted for load

Lancaster County, South Carolina · In Lancaster · Structure no. 000000000000688

Built
1935
90 years old, rebuilt 1954
Condition
Fair
inspected June 2023
Type
Arch - Deck
Concrete
Length
74 ft
3 main spans
Daily traffic
1,900
2023 count
Owner
State
State Highway Agency

About this bridge

S-29-57 over Bear Creek is a concrete arch - deck carrying S-29-57 over Bear Creek in Lancaster County, South Carolina. It was built in 1935 and reconstructed in 1954, so it is 90 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 1,900 vehicles a day, roughly 3% of them trucks, projected to reach 2,679 by 2043. The structure is 74 ft (22.6 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-29-57
CrossesBear Creek
LocationIn Lancaster
RouteState Highway 57
Coordinates34.71114, -80.78125
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating28.9 US tons
Inventory rating18.5 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length74 ft (22.6 m)
Longest span28 ft (8.5 m)
Deck width31 ft (9.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2023)
Projected traffic2,679 by 2043
Trucks3%
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$459,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-29-57 over Bear Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1954.

What condition is S-29-57 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 June 2023.

How much traffic does S-29-57 over Bear Creek carry?

About 1,900 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-29-57 over Bear Creek?

The structure is 74 ft (22.6 m) long with a longest span of 28 ft (8.5 m) and a deck 31 ft wide.

Who owns S-29-57 over Bear Creek?

It is owned by the State Highway Agency.