US Bridges

RD B 929-504.9 over Stream

GoodPosted for load

Lyon County, Kansas · 4.0W of Americus · Structure no. 000560927005047

Built
1925
100 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
10
2007 count
Owner
County
County Highway Agency

About this bridge

RD B 929-504.9 over Stream is a concrete continuous slab carrying RD B 929-504.9 over Stream in Lyon County, Kansas. It was built in 1925, so it is 100 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 10 vehicles a day, projected to reach 10 by 2043. The structure is 25 ft (7.7 m) long and 21 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesRD B 929-504.9
CrossesStream
Location4.0W of Americus
RouteCounty Highway 0
CountyLyon County
StateKansas
Coordinates38.51583, -96.33603
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 statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15 US tons
Inventory rating15 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length25 ft (7.7 m)
Longest span12 ft (3.7 m)
Deck width21 ft (6.4 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2007)
Projected traffic10 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$50,000
NavigationNo navigation control on waterway

Frequently asked questions

When was RD B 929-504.9 over Stream built?

It was built in 1925, making it 100 years old in 2025.

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

About 10 vehicles per day (2007 count).

How long is RD B 929-504.9 over Stream?

The structure is 25 ft (7.7 m) long with a longest span of 12 ft (3.7 m) and a deck 21 ft wide.

Who owns RD B 929-504.9 over Stream?

It is owned by the County Highway Agency.