US Bridges

NW 90 Ave over Stream

Good

Barton County, Kansas · 3.5N of Olmitz · Structure no. 000000000050340

Built
1941
84 years old
Condition
Good
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
65 ft
2 main spans
Daily traffic
130
2022 count
Owner
County
County Highway Agency

About this bridge

NW 90 Ave over Stream is a concrete continuous tee beam carrying NW 90 Ave over Stream in Barton County, Kansas. It was built in 1941, so it is 84 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 130 vehicles a day, roughly 10% of them trucks, projected to reach 125 by 2043. The structure is 65 ft (19.8 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW 90 Ave
CrossesStream
Location3.5N of Olmitz
RouteCounty Highway 43
StateKansas
Coordinates38.57375, -98.94142
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
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length65 ft (19.8 m)
Longest span32 ft (9.7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic130 (2022)
Projected traffic125 by 2043
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 90 Ave over Stream built?

It was built in 1941, making it 84 years old in 2025.

What condition is NW 90 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 90 Ave over Stream carry?

About 130 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is NW 90 Ave over Stream?

The structure is 65 ft (19.8 m) long with a longest span of 32 ft (9.7 m) and a deck 27 ft wide.

Who owns NW 90 Ave over Stream?

It is owned by the County Highway Agency.