US Bridges

US018 over James Rv

Poor

Hutchinson County, South Dakota · 0.6 E of Olivet · Structure no. 000000034226180

Built
1956
69 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
411 ft
6 main spans
Daily traffic
668
2024 count
Owner
State
State Highway Agency

About this bridge

US018 over James Rv is a steel continuous stringer/multi-beam or girder carrying US018 over James Rv in Hutchinson County, South Dakota. It was built in 1956, so it is 69 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 668 vehicles a day, roughly 24% of them trucks, projected to reach 1,061 by 2044. The structure is 411 ft (125.4 m) long and 32 ft wide. If it were closed, the detour would be 47.8 mi (77 km).

Location

Open in Google Maps
CarriesUS018
CrossesJames Rv
Location0.6 E of Olivet
RouteU.S. Route 18
CountyHutchinson County
StateSouth Dakota
Coordinates43.24032, -97.66634
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.9 US tons
Inventory rating35.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length411 ft (125.4 m)
Longest span89 ft (27.2 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic668 (2024)
Projected traffic1,061 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.8 mi (77 km)
TollOn a free road
National Highway SystemYes

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 US018 over James Rv built?

It was built in 1956, making it 69 years old in 2025.

What condition is US018 over James Rv in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does US018 over James Rv carry?

About 668 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is US018 over James Rv?

The structure is 411 ft (125.4 m) long with a longest span of 89 ft (27.2 m) and a deck 32 ft wide.

Who owns US018 over James Rv?

It is owned by the State Highway Agency.