US Bridges

NE 70 ST over Trib. to Rattlesnake Ck.

FairPosted for load

Stafford County, Kansas · 3.0S 2.4E of Hudson · Structure no. 000000000930160

Built
1956
69 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
260
2021 count
Owner
County
County Highway Agency

About this bridge

NE 70 ST over Trib. to Rattlesnake Ck. is a concrete culvert carrying NE 70 ST over Trib. to Rattlesnake Ck. in Stafford County, Kansas. It was built in 1956, so it is 69 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 260 vehicles a day, roughly 10% of them trucks, projected to reach 310 by 2044. The structure is 25 ft (7.6 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNE 70 ST
CrossesTrib. to Rattlesnake Ck.
Location3.0S 2.4E of Hudson
RouteCounty Highway 636
StateKansas
Coordinates38.0567, -98.6105
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 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating30.4 US tons
Inventory rating18.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 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 traffic260 (2021)
Projected traffic310 by 2044
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 70 ST over Trib. to Rattlesnake Ck. built?

It was built in 1956, making it 69 years old in 2025.

What condition is NE 70 ST over Trib. to Rattlesnake Ck. 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 2024.

How much traffic does NE 70 ST over Trib. to Rattlesnake Ck. carry?

About 260 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is NE 70 ST over Trib. to Rattlesnake Ck.?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m) and a deck 28 ft wide.

Who owns NE 70 ST over Trib. to Rattlesnake Ck.?

It is owned by the County Highway Agency.