US Bridges

SW 60 Ave over Stream

PoorPosted for load

Harper County, Kansas · 0.9N 2.0E of Waldron · Structure no. 000390731007101

Built
1930
95 years old
Condition
Poor
inspected June 2023
Type
Tee Beam
Concrete
Length
29 ft
1 main span
Daily traffic
5
2021 count
Owner
County
County Highway Agency

About this bridge

SW 60 Ave over Stream is a concrete tee beam carrying SW 60 Ave over Stream in Harper County, Kansas. It was built in 1930, so it is 95 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, roughly 5% of them trucks, projected to reach 5 by 2043. The structure is 29 ft (8.8 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSW 60 Ave
CrossesStream
Location0.9N 2.0E of Waldron
RouteCounty Highway 0
StateKansas
Coordinates37.02078, -98.14636
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20 US tons
Inventory rating20 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span25 ft (7.5 m)
Deck width20 ft (6.2 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5 (2021)
Projected traffic5 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$170,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SW 60 Ave over Stream built?

It was built in 1930, making it 95 years old in 2025.

What condition is SW 60 Ave over Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does SW 60 Ave over Stream carry?

About 5 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is SW 60 Ave over Stream?

The structure is 29 ft (8.8 m) long with a longest span of 25 ft (7.5 m) and a deck 20 ft wide.

Who owns SW 60 Ave over Stream?

It is owned by the County Highway Agency.