US Bridges

Bixby Road over Moreau Rv

Good

Perkins County, South Dakota · 5 W 26.6 S Bison · Structure no. 000000053195556

Built
1954
71 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
280 ft
4 main spans
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

Bixby Road over Moreau Rv is a steel continuous stringer/multi-beam or girder carrying Bixby Road over Moreau Rv in Perkins County, South Dakota. It was built in 1954, so it is 71 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, roughly 3% of them trucks, projected to reach 75 by 2032. The structure is 280 ft (85.3 m) long and 26 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesBixby Road
CrossesMoreau Rv
Location5 W 26.6 S Bison
RouteCounty Highway 0
Coordinates45.14591, -102.55847
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length280 ft (85.3 m)
Longest span89 ft (27.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic75 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 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$12,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bixby Road over Moreau Rv built?

It was built in 1954, making it 71 years old in 2025.

What condition is Bixby Road over Moreau 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 May 2023.

How much traffic does Bixby Road over Moreau Rv carry?

About 75 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Bixby Road over Moreau Rv?

The structure is 280 ft (85.3 m) long with a longest span of 89 ft (27.1 m) and a deck 26 ft wide.

Who owns Bixby Road over Moreau Rv?

It is owned by the County Highway Agency.