US Bridges

Sd Hw 10 over Lake Travrse Overflw Div

Fair

Roberts County, South Dakota · 1 Mile NW JCT Hws 27&28 · Structure no. CEPNCSSD-000007

Built
1945
80 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
1,120
2020 count
Owner
Federal
Corps of Engineers (Civil)

About this bridge

Sd Hw 10 over Lake Travrse Overflw Div is a concrete culvert carrying Sd Hw 10 over Lake Travrse Overflw Div in Roberts County, South Dakota. It was built in 1945, so it is 80 years old, older than the South Dakota average of 48.9 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.

It carries about 1,120 vehicles a day, roughly 10% of them trucks, projected to reach 1,200 by 2041. The structure is 30 ft (9 m) long. If it were closed, the detour would be 37.3 mi (60 km).

CarriesSd Hw 10
CrossesLake Travrse Overflw Div
Location1 Mile NW JCT Hws 27&28
RouteState Highway 28
Coordinates45.60622, -96.85779
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating23.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length30 ft (9 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,120 (2020)
Projected traffic1,200 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCorps of Engineers (Civil)
Maintained byCorps of Engineers (Civil)
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$450,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sd Hw 10 over Lake Travrse Overflw Div built?

It was built in 1945, making it 80 years old in 2025.

What condition is Sd Hw 10 over Lake Travrse Overflw Div 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 Sd Hw 10 over Lake Travrse Overflw Div carry?

About 1,120 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Sd Hw 10 over Lake Travrse Overflw Div?

The structure is 30 ft (9 m) long with a longest span of 9 ft (2.7 m).

Who owns Sd Hw 10 over Lake Travrse Overflw Div?

It is owned by the Corps of Engineers (Civil).