US Bridges

90th over Trib. Big Slough Creek

Good

Jefferson County, Kansas · 0.4S 2.6WOF Oskaloosa · Structure no. 000441031404084

Built
2003
22 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

90th over Trib. Big Slough Creek is a concrete culvert carrying 90th over Trib. Big Slough Creek in Jefferson County, Kansas. It was built in 2003, so it is 22 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, projected to reach 25 by 2040. The structure is 28 ft (8.5 m) long and 51 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries90th
CrossesTrib. Big Slough Creek
Location0.4S 2.6WOF Oskaloosa
RouteCounty Highway 0
StateKansas
Coordinates39.20976, -95.35813
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.2 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width51 ft (15.5 m)
Roadway width49 ft (15 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2022)
Projected traffic25 by 2040
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 90th over Trib. Big Slough Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is 90th over Trib. Big Slough 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 November 2024.

How much traffic does 90th over Trib. Big Slough Creek carry?

About 20 vehicles per day (2022 count).

How long is 90th over Trib. Big Slough Creek?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 51 ft wide.

Who owns 90th over Trib. Big Slough Creek?

It is owned by the County Highway Agency.