US Bridges

S-32-1814 over Senn Branch

Good

Lexington County, South Carolina · 4 MI W of Columbia · Structure no. 000000000008578

Built
1992
33 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete
Length
45 ft
3 main spans
Daily traffic
150
2023 count
Owner
State
State Highway Agency

About this bridge

S-32-1814 over Senn Branch is a concrete slab carrying S-32-1814 over Senn Branch in Lexington County, South Carolina. It was built in 1992, so it is 33 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 192 by 2043. The structure is 45 ft (13.7 m) long and 38 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesS-32-1814
CrossesSenn Branch
Location4 MI W of Columbia
RouteState Highway 1814
Coordinates34.01621, -81.10654
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic192 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-32-1814 over Senn Branch built?

It was built in 1992, making it 33 years old in 2025.

What condition is S-32-1814 over Senn Branch 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 September 2024.

How much traffic does S-32-1814 over Senn Branch carry?

About 150 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-32-1814 over Senn Branch?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 38 ft wide.

Who owns S-32-1814 over Senn Branch?

It is owned by the State Highway Agency.