US Bridges

Old HWY 50 T.0-170 over Coon Creek

Good

Lyon County, Kansas · 4.0W 3.5N of Neosho · Structure no. 000560957005200

Built
1999
26 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete Continuous
Length
163 ft
3 main spans
Daily traffic
80
2007 count
Owner
County
County Highway Agency

About this bridge

Old HWY 50 T.0-170 over Coon Creek is a concrete continuous slab carrying Old HWY 50 T.0-170 over Coon Creek in Lyon County, Kansas. It was built in 1999, so it is 26 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 80 vehicles a day, projected to reach 80 by 2043. The structure is 163 ft (49.7 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOld HWY 50 T.0-170
CrossesCoon Creek
Location4.0W 3.5N of Neosho
RouteCounty Highway 0
StateKansas
Coordinates38.40542, -96.06056
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 protection7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.8 US tons
Inventory rating51.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length163 ft (49.7 m)
Longest span64 ft (19.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2007)
Projected traffic80 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$158,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old HWY 50 T.0-170 over Coon Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Old HWY 50 T.0-170 over Coon Creek 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 Old HWY 50 T.0-170 over Coon Creek carry?

About 80 vehicles per day (2007 count).

How long is Old HWY 50 T.0-170 over Coon Creek?

The structure is 163 ft (49.7 m) long with a longest span of 64 ft (19.5 m) and a deck 26 ft wide.

Who owns Old HWY 50 T.0-170 over Coon Creek?

It is owned by the County Highway Agency.