US Bridges

Rs 1121 30.0-W.7 over Stream

Fair

Lyon County, Kansas · 7.0S 2.0W of Hartford · Structure no. 000000000560520

Built
1939
86 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
2 main spans
Daily traffic
56
2007 count
Owner
County
County Highway Agency

About this bridge

Rs 1121 30.0-W.7 over Stream is a steel stringer/multi-beam or girder carrying Rs 1121 30.0-W.7 over Stream in Lyon County, Kansas. It was built in 1939, so it is 86 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 5 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 56 vehicles a day, projected to reach 65 by 2043. The structure is 44 ft (13.4 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRs 1121 30.0-W.7
CrossesStream
Location7.0S 2.0W of Hartford
RouteCounty Highway 1121
CountyLyon County
StateKansas
Coordinates38.20039, -96.00058
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.8 US tons
Inventory rating27.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length44 ft (13.4 m)
Longest span21 ft (6.4 m)
Deck width19 ft (5.9 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic56 (2007)
Projected traffic65 by 2043
Trucks0%
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 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 1121 30.0-W.7 over Stream built?

It was built in 1939, making it 86 years old in 2025.

What condition is Rs 1121 30.0-W.7 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 1121 30.0-W.7 over Stream carry?

About 56 vehicles per day (2007 count).

How long is Rs 1121 30.0-W.7 over Stream?

The structure is 44 ft (13.4 m) long with a longest span of 21 ft (6.4 m) and a deck 19 ft wide.

Who owns Rs 1121 30.0-W.7 over Stream?

It is owned by the County Highway Agency.