US Bridges

Rs 1078 A.9-26.0 over Stream

Fair

Lyon County, Kansas · 3.5S 0.5W of Plymouth · Structure no. 000000000560450

Built
1974
51 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
84
2007 count
Owner
County
County Highway Agency

About this bridge

Rs 1078 A.9-26.0 over Stream is a concrete culvert carrying Rs 1078 A.9-26.0 over Stream in Lyon County, Kansas. It was built in 1974, so it is 51 years old, younger 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 84 vehicles a day, projected to reach 90 by 2043. The structure is 29 ft (8.8 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRs 1078 A.9-26.0
CrossesStream
Location3.5S 0.5W of Plymouth
RouteCounty Highway 1078
CountyLyon County
StateKansas
Coordinates38.36186, -96.34075
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.4 US tons
Inventory rating22.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.2 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic84 (2007)
Projected traffic90 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 1078 A.9-26.0 over Stream built?

It was built in 1974, making it 51 years old in 2025.

What condition is Rs 1078 A.9-26.0 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 February 2023.

How much traffic does Rs 1078 A.9-26.0 over Stream carry?

About 84 vehicles per day (2007 count).

How long is Rs 1078 A.9-26.0 over Stream?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.2 m) and a deck 33 ft wide.

Who owns Rs 1078 A.9-26.0 over Stream?

It is owned by the County Highway Agency.