US Bridges

150 Rd. over Antelope Creek

Good

Marion County, Kansas · 8.1W 3.5S of Marion · Structure no. 000570837605360

Built
1995
30 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
60
2011 count
Owner
County
County Highway Agency

About this bridge

150 Rd. over Antelope Creek is a steel stringer/multi-beam or girder carrying 150 Rd. over Antelope Creek in Marion County, Kansas. It was built in 1995, so it is 30 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 60 vehicles a day, roughly 5% of them trucks, projected to reach 72 by 2043. The structure is 40 ft (12.3 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries150 Rd.
CrossesAntelope Creek
Location8.1W 3.5S of Marion
RouteCounty Highway 0
StateKansas
Coordinates38.28989, -97.17589
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating44.8 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length40 ft (12.3 m)
Longest span39 ft (11.9 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic60 (2011)
Projected traffic72 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 150 Rd. over Antelope Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is 150 Rd. over Antelope 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 150 Rd. over Antelope Creek carry?

About 60 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is 150 Rd. over Antelope Creek?

The structure is 40 ft (12.3 m) long with a longest span of 39 ft (11.9 m) and a deck 26 ft wide.

Who owns 150 Rd. over Antelope Creek?

It is owned by the County Highway Agency.