US Bridges

NW 90 RD over Stream

Fair

Barton County, Kansas · 2.0S 2.5W of Olmitz · Structure no. 000000000050250

Built
1967
58 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
44 ft
5 main spans
Daily traffic
110
2022 count
Owner
County
County Highway Agency

About this bridge

NW 90 RD over Stream is a concrete culvert carrying NW 90 RD over Stream in Barton County, Kansas. It was built in 1967, so it is 58 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 110 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2043. The structure is 44 ft (13.4 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW 90 RD
CrossesStream
Location2.0S 2.5W of Olmitz
RouteCounty Highway 42
StateKansas
Coordinates38.49281, -98.98858
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating35.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span8 ft (2.4 m)
Deck width30 ft (9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic110 (2022)
Projected traffic120 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 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 90 RD over Stream built?

It was built in 1967, making it 58 years old in 2025.

What condition is NW 90 RD over Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does NW 90 RD over Stream carry?

About 110 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is NW 90 RD over Stream?

The structure is 44 ft (13.4 m) long with a longest span of 8 ft (2.4 m) and a deck 30 ft wide.

Who owns NW 90 RD over Stream?

It is owned by the County Highway Agency.