US Bridges

230th St. over Unnamed Stream

Good

Brown County, Kansas · 0.1S 2.8E of Hiawatha · Structure no. 000071017303220

Built
1983
42 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
40
2016 count
Owner
County
County Highway Agency

About this bridge

230th St. over Unnamed Stream is a concrete continuous slab carrying 230th St. over Unnamed Stream in Brown County, Kansas. It was built in 1983, so it is 42 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 40 vehicles a day, projected to reach 44 by 2044. The structure is 92 ft (28 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries230th St.
CrossesUnnamed Stream
Location0.1S 2.8E of Hiawatha
RouteCounty Highway 0
CountyBrown County
StateKansas
Coordinates39.84151, -95.48414
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than 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 rating36 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length92 ft (28 m)
Longest span36 ft (10.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2016)
Projected traffic44 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 230th St. over Unnamed Stream built?

It was built in 1983, making it 42 years old in 2025.

What condition is 230th St. over Unnamed 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 January 2024.

How much traffic does 230th St. over Unnamed Stream carry?

About 40 vehicles per day (2016 count).

How long is 230th St. over Unnamed Stream?

The structure is 92 ft (28 m) long with a longest span of 36 ft (10.9 m) and a deck 26 ft wide.

Who owns 230th St. over Unnamed Stream?

It is owned by the County Highway Agency.