US Bridges

150 Ave over Big Creek

Good

Trego County, Kansas · 3.3S 2.2E of Collyer · Structure no. 000980525004403

Built
1952
73 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
81 ft
4 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

150 Ave over Big Creek is a steel continuous stringer/multi-beam or girder carrying 150 Ave over Big Creek in Trego County, Kansas. It was built in 1952, so it is 73 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.

It carries about 30 vehicles a day, projected to reach 35 by 2043. The structure is 81 ft (24.7 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
Carries150 Ave
CrossesBig Creek
Location3.3S 2.2E of Collyer
RouteCounty Highway 0
CountyTrego County
StateKansas
Coordinates38.9821, -100.07489
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 inspectionJune 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.8 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length81 ft (24.7 m)
Longest span20 ft (6 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2020)
Projected traffic35 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 150 Ave over Big Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is 150 Ave over Big 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 June 2023.

How much traffic does 150 Ave over Big Creek carry?

About 30 vehicles per day (2020 count).

How long is 150 Ave over Big Creek?

The structure is 81 ft (24.7 m) long with a longest span of 20 ft (6 m) and a deck 25 ft wide.

Who owns 150 Ave over Big Creek?

It is owned by the County Highway Agency.