US Bridges

Semmes Road over Semmes Lake Spillway

Good

Richland County, South Carolina · 450 Ft SE of Marion Ave · Structure no. DAPTRAJAC0C2480

Built
2021
4 years old
Condition
Good
inspected June 2023
Type
Culvert
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
2,580
2021 count
Owner
Federal
Army

About this bridge

Semmes Road over Semmes Lake Spillway is a prestressed concrete culvert carrying Semmes Road over Semmes Lake Spillway in Richland County, South Carolina. It was built in 2021, so it is 4 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 2,580 vehicles a day, roughly 10% of them trucks, projected to reach 2,970 by 2044. The structure is 61 ft (18.5 m) long.

CarriesSemmes Road
CrossesSemmes Lake Spillway
Location450 Ft SE of Marion Ave
Coordinates34.00497, -80.94275
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length61 ft (18.5 m)
Longest span61 ft (18.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,580 (2021)
Projected traffic2,970 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
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 Semmes Road over Semmes Lake Spillway built?

It was built in 2021, making it 4 years old in 2025.

What condition is Semmes Road over Semmes Lake Spillway 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 2023.

How much traffic does Semmes Road over Semmes Lake Spillway carry?

About 2,580 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Semmes Road over Semmes Lake Spillway?

The structure is 61 ft (18.5 m) long with a longest span of 61 ft (18.5 m).

Who owns Semmes Road over Semmes Lake Spillway?

It is owned by the Army.