US Bridges

Rs 416 T.7-8.7 over Stream

GoodPosted for load

Lyon County, Kansas · 1.5S of Miller · Structure no. 000000000560320

Built
1940
85 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
152
2007 count
Owner
County
County Highway Agency

About this bridge

Rs 416 T.7-8.7 over Stream is a concrete culvert carrying Rs 416 T.7-8.7 over Stream in Lyon County, Kansas. It was built in 1940, so it is 85 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. Its operating status is: posted for load restriction.

It carries about 152 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2043. The structure is 26 ft (7.8 m) long and 29 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesRs 416 T.7-8.7
CrossesStream
Location1.5S of Miller
RouteCounty Highway 416
CountyLyon County
StateKansas
Coordinates38.61142, -95.99128
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span8 ft (2.4 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic152 (2007)
Projected traffic160 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Rs 416 T.7-8.7 over Stream built?

It was built in 1940, making it 85 years old in 2025.

What condition is Rs 416 T.7-8.7 over Stream 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 February 2023.

How much traffic does Rs 416 T.7-8.7 over Stream carry?

About 152 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is Rs 416 T.7-8.7 over Stream?

The structure is 26 ft (7.8 m) long with a longest span of 8 ft (2.4 m) and a deck 29 ft wide.

Who owns Rs 416 T.7-8.7 over Stream?

It is owned by the County Highway Agency.