US Bridges

42020 Keiper Rd. over James Rv

Fair

Hutchinson County, South Dakota · 0.4 NE Milltown · Structure no. 000000034162052

Built
1964
61 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
378 ft
5 main spans
Daily traffic
260
2022 count
Owner
County
County Highway Agency

About this bridge

42020 Keiper Rd. over James Rv is a steel stringer/multi-beam or girder carrying 42020 Keiper Rd. over James Rv in Hutchinson County, South Dakota. It was built in 1964, so it is 61 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 260 vehicles a day, roughly 3% of them trucks, projected to reach 260 by 2032. The structure is 378 ft (115.2 m) long and 32 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
Carries42020 Keiper Rd.
CrossesJames Rv
Location0.4 NE Milltown
RouteCounty Highway 0
CountyHutchinson County
StateSouth Dakota
Coordinates43.42598, -97.79437
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58 US tons
Inventory rating34.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length378 ft (115.2 m)
Longest span82 ft (25 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2022)
Projected traffic260 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 42020 Keiper Rd. over James Rv built?

It was built in 1964, making it 61 years old in 2025.

What condition is 42020 Keiper Rd. over James 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 May 2024.

How much traffic does 42020 Keiper Rd. over James Rv carry?

About 260 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 42020 Keiper Rd. over James Rv?

The structure is 378 ft (115.2 m) long with a longest span of 82 ft (25 m) and a deck 32 ft wide.

Who owns 42020 Keiper Rd. over James Rv?

It is owned by the County Highway Agency.