US Bridges

Local Rd. 170 over Old Great Eastern Ditch

GoodPosted for load

Kearny County, Kansas · 0.3S 3.5W of Deerfield · Structure no. 000470397805800

Built
1931
94 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
28 ft
1 main span
Daily traffic
35
2018 count
Owner
County
County Highway Agency

About this bridge

Local Rd. 170 over Old Great Eastern Ditch is a concrete stringer/multi-beam or girder carrying Local Rd. 170 over Old Great Eastern Ditch in Kearny County, Kansas. It was built in 1931, so it is 94 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 35 vehicles a day, roughly 5% of them trucks, projected to reach 35 by 2041. The structure is 28 ft (8.4 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesLocal Rd. 170
CrossesOld Great Eastern Ditch
Location0.3S 3.5W of Deerfield
RouteCounty Highway 0
CountyKearny County
StateKansas
Coordinates37.97364, -101.19761
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating11 US tons
Inventory rating11 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length28 ft (8.4 m)
Longest span26 ft (7.9 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic35 (2018)
Projected traffic35 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$330,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local Rd. 170 over Old Great Eastern Ditch built?

It was built in 1931, making it 94 years old in 2025.

What condition is Local Rd. 170 over Old Great Eastern Ditch 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 November 2023.

How much traffic does Local Rd. 170 over Old Great Eastern Ditch carry?

About 35 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Local Rd. 170 over Old Great Eastern Ditch?

The structure is 28 ft (8.4 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.

Who owns Local Rd. 170 over Old Great Eastern Ditch?

It is owned by the County Highway Agency.