US Bridges

RD 170 963.7-520.0 over Dry Creek

FairPosted for load

Lyon County, Kansas · 2.0N of Neosho Rapids · Structure no. 000560963705200

Built
1923
102 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
66 ft
2 main spans
Daily traffic
50
2007 count
Owner
County
County Highway Agency

About this bridge

RD 170 963.7-520.0 over Dry Creek is a concrete tee beam carrying RD 170 963.7-520.0 over Dry Creek in Lyon County, Kansas. It was built in 1923, so it is 102 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 50 by 2043. The structure is 66 ft (20.1 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRD 170 963.7-520.0
CrossesDry Creek
Location2.0N of Neosho Rapids
RouteCounty Highway 0
CountyLyon County
StateKansas
Coordinates38.40508, -95.99117
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.1 US tons
Inventory rating19.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length66 ft (20.1 m)
Longest span31 ft (9.6 m)
Deck width22 ft (6.7 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2007)
Projected traffic50 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$112,000
NavigationNo navigation control on waterway

Frequently asked questions

When was RD 170 963.7-520.0 over Dry Creek built?

It was built in 1923, making it 102 years old in 2025.

What condition is RD 170 963.7-520.0 over Dry Creek 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 March 2023.

How much traffic does RD 170 963.7-520.0 over Dry Creek carry?

About 50 vehicles per day (2007 count).

How long is RD 170 963.7-520.0 over Dry Creek?

The structure is 66 ft (20.1 m) long with a longest span of 31 ft (9.6 m) and a deck 22 ft wide.

Who owns RD 170 963.7-520.0 over Dry Creek?

It is owned by the County Highway Agency.