US Bridges

RD C 929-504.9 over Stream

Good

Lyon County, Kansas · 3.0W 0.1N of Americus · Structure no. 000560929005049

Built
1990
35 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
5
2007 count
Owner
County
County Highway Agency

About this bridge

RD C 929-504.9 over Stream is a steel stringer/multi-beam or girder carrying RD C 929-504.9 over Stream in Lyon County, Kansas. It was built in 1990, so it is 35 years old, younger 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.

It carries about 5 vehicles a day, projected to reach 5 by 2043. The structure is 23 ft (6.9 m) long and 24 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

CarriesRD C 929-504.9
CrossesStream
Location3.0W 0.1N of Americus
RouteCounty Highway 0
StateKansas
Coordinates38.51136, -96.31772
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
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 rating63.1 US tons
Inventory rating37.8 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span21 ft (6.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5 (2007)
Projected traffic5 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 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 RD C 929-504.9 over Stream built?

It was built in 1990, making it 35 years old in 2025.

What condition is RD C 929-504.9 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 RD C 929-504.9 over Stream carry?

About 5 vehicles per day (2007 count).

How long is RD C 929-504.9 over Stream?

The structure is 23 ft (6.9 m) long with a longest span of 21 ft (6.5 m) and a deck 24 ft wide.

Who owns RD C 929-504.9 over Stream?

It is owned by the County Highway Agency.