US Bridges

US014 over Missouri Rv

Good

Hughes County, South Dakota · Hughes - Stanley CO Line · Structure no. 000000033100118

Built
2024
1 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,686 ft
8 main spans
Daily traffic
15,450
2023 count
Owner
State
State Highway Agency

About this bridge

US014 over Missouri Rv is a steel continuous stringer/multi-beam or girder carrying US014 over Missouri Rv in Hughes County, South Dakota. It was built in 2024, so it is 1 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,450 vehicles a day, roughly 5% of them trucks, projected to reach 23,392 by 2043. The structure is 1,686 ft (513.9 m) long and 78 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesUS014
CrossesMissouri Rv
LocationHughes - Stanley CO Line
RouteU.S. Route 14
Coordinates44.37207, -100.36673
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating47.5 US tons
Inventory rating36.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHL 93
Structure length1,686 ft (513.9 m)
Longest span255 ft (77.7 m)
Deck width78 ft (23.7 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic15,450 (2023)
Projected traffic23,392 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US014 over Missouri Rv built?

It was built in 2024, making it 1 years old in 2025.

What condition is US014 over Missouri Rv 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 August 2024.

How much traffic does US014 over Missouri Rv carry?

About 15,450 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US014 over Missouri Rv?

The structure is 1,686 ft (513.9 m) long with a longest span of 255 ft (77.7 m) and a deck 78 ft wide.

Who owns US014 over Missouri Rv?

It is owned by the State Highway Agency.