US Bridges

NW 40 Ave over Stream

Good

Barton County, Kansas · 1.0N 5.0E of Olmitz · Structure no. 000000000050570

Built
1994
31 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
855
2022 count
Owner
County
County Highway Agency

About this bridge

NW 40 Ave over Stream is a concrete continuous slab carrying NW 40 Ave over Stream in Barton County, Kansas. It was built in 1994, so it is 31 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 855 vehicles a day, roughly 15% of them trucks, projected to reach 1,225 by 2043. The structure is 93 ft (28.2 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNW 40 Ave
CrossesStream
Location1.0N 5.0E of Olmitz
RouteCounty Highway 979
CountyBarton County
StateKansas
Coordinates38.52947, -98.84869
Functional classRural Major Collector

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 inspectionMarch 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 alignment7: Better than present minimum criteria
Operating rating83.4 US tons
Inventory rating49.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.2 m)
Longest span36 ft (10.9 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic855 (2022)
Projected traffic1,225 by 2043
Trucks15%
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 NW 40 Ave over Stream built?

It was built in 1994, making it 31 years old in 2025.

What condition is NW 40 Ave over Stream 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 March 2023.

How much traffic does NW 40 Ave over Stream carry?

About 855 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is NW 40 Ave over Stream?

The structure is 93 ft (28.2 m) long with a longest span of 36 ft (10.9 m) and a deck 34 ft wide.

Who owns NW 40 Ave over Stream?

It is owned by the County Highway Agency.