US Bridges

70 Road over Stream

Fair

Haskell County, Kansas · 11.0N 1.5E of Sublette · Structure no. 000000000410006

Built
1930
95 years old, rebuilt 2011
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
31 ft
4 main spans
Daily traffic
300
2022 count
Owner
County
County Highway Agency

About this bridge

70 Road over Stream is a concrete culvert carrying 70 Road over Stream in Haskell County, Kansas. It was built in 1930 and reconstructed in 2011, so it is 95 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.

It carries about 300 vehicles a day, roughly 10% of them trucks, projected to reach 72 by 2041. The structure is 31 ft (9.5 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries70 Road
CrossesStream
Location11.0N 1.5E of Sublette
RouteCounty Highway 942
CountyHaskell County
StateKansas
Coordinates37.64947, -100.82475
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length31 ft (9.5 m)
Longest span7 ft (2.1 m)
Deck width41 ft (12.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic300 (2022)
Projected traffic72 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 70 Road over Stream built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2011.

What condition is 70 Road over Stream 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 November 2023.

How much traffic does 70 Road over Stream carry?

About 300 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is 70 Road over Stream?

The structure is 31 ft (9.5 m) long with a longest span of 7 ft (2.1 m) and a deck 41 ft wide.

Who owns 70 Road over Stream?

It is owned by the County Highway Agency.