US Bridges

Rs 478 over Unnamed Draw

Good

Stanton County, Kansas · 3.5S of Manter · Structure no. 000000000940060

Built
1962
63 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
145
2009 count
Owner
County
County Highway Agency

About this bridge

Rs 478 over Unnamed Draw is a concrete culvert carrying Rs 478 over Unnamed Draw 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 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 145 vehicles a day, roughly 2% of them trucks, projected to reach 150 by 2042. The structure is 24 ft (7.3 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRs 478
CrossesUnnamed Draw
Location3.5S of Manter
RouteCounty Highway 478
StateKansas
Coordinates37.47139, -101.88941
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic145 (2009)
Projected traffic150 by 2042
Trucks2%
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 Unnamed Draw built?

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

What condition is Rs 478 over Unnamed Draw 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 December 2023.

How much traffic does Rs 478 over Unnamed Draw carry?

About 145 vehicles per day (2009 count), of which roughly 2% are trucks.

How long is Rs 478 over Unnamed Draw?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 29 ft wide.

Who owns Rs 478 over Unnamed Draw?

It is owned by the County Highway Agency.