US Bridges

Rs 478 over Sandy Arroyo

FairPosted for load

Stanton County, Kansas · 4.0S of Manter · Structure no. 000000000940050

Built
1962
63 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
182 ft
5 main spans
Daily traffic
142
2009 count
Owner
County
County Highway Agency

About this bridge

Rs 478 over Sandy Arroyo is a concrete continuous slab carrying Rs 478 over Sandy Arroyo in Stanton County, Kansas. It was built in 1962, so it is 63 years old, older than the Kansas average of 52.8 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. Its operating status is: posted for load restriction.

It carries about 142 vehicles a day, projected to reach 150 by 2042. The structure is 182 ft (55.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRs 478
CrossesSandy Arroyo
Location4.0S of Manter
RouteCounty Highway 478
CountyStanton County
StateKansas
Coordinates37.46501, -101.88948
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating22.3 US tons
Inventory rating13.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length182 ft (55.6 m)
Longest span40 ft (12.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic142 (2009)
Projected traffic150 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Rs 478 over Sandy Arroyo built?

It was built in 1962, making it 63 years old in 2025.

What condition is Rs 478 over Sandy Arroyo 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 December 2023.

How much traffic does Rs 478 over Sandy Arroyo carry?

About 142 vehicles per day (2009 count).

How long is Rs 478 over Sandy Arroyo?

The structure is 182 ft (55.6 m) long with a longest span of 40 ft (12.1 m) and a deck 28 ft wide.

Who owns Rs 478 over Sandy Arroyo?

It is owned by the County Highway Agency.