US Bridges

448 Ave over East Fork Vermillion Rv

Fair

Lake County, South Dakota · 3W & 1.8S Orland · Structure no. 000000040060228

Built
1997
28 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
42
2022 count
Owner
County
County Highway Agency

About this bridge

448 Ave over East Fork Vermillion Rv is a prestressed concrete tee beam carrying 448 Ave over East Fork Vermillion Rv in Lake County, South Dakota. It was built in 1997, so it is 28 years old, younger 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 42 vehicles a day, roughly 2% of them trucks, projected to reach 42 by 2032. The structure is 45 ft (13.7 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries448 Ave
CrossesEast Fork Vermillion Rv
Location3W & 1.8S Orland
RouteCounty Highway 0
Coordinates43.86517, -97.24906
Functional classRural Local

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length45 ft (13.7 m)
Longest span44 ft (13.4 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42 (2022)
Projected traffic42 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 448 Ave over East Fork Vermillion Rv built?

It was built in 1997, making it 28 years old in 2025.

What condition is 448 Ave over East Fork Vermillion Rv 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 August 2023.

How much traffic does 448 Ave over East Fork Vermillion Rv carry?

About 42 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 448 Ave over East Fork Vermillion Rv?

The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.4 m) and a deck 34 ft wide.

Who owns 448 Ave over East Fork Vermillion Rv?

It is owned by the County Highway Agency.