US Bridges

300th St. over Unnamed Stream

Good

Brown County, Kansas · 2.2S 3.5E of Reserve · Structure no. 000071015603080

Built
2012
13 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
3 main spans
Daily traffic
25
2016 count
Owner
County
County Highway Agency

About this bridge

300th St. over Unnamed Stream is a steel stringer/multi-beam or girder carrying 300th St. over Unnamed Stream in Brown County, Kansas. It was built in 2012, so it is 13 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 25 vehicles a day, projected to reach 35 by 2044. The structure is 68 ft (20.7 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries300th St.
CrossesUnnamed Stream
Location2.2S 3.5E of Reserve
RouteCounty Highway 0
CountyBrown County
StateKansas
Coordinates39.94298, -95.49897
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span28 ft (8.5 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic25 (2016)
Projected traffic35 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 300th St. over Unnamed Stream built?

It was built in 2012, making it 13 years old in 2025.

What condition is 300th 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 300th St. over Unnamed Stream carry?

About 25 vehicles per day (2016 count).

How long is 300th St. over Unnamed Stream?

The structure is 68 ft (20.7 m) long with a longest span of 28 ft (8.5 m) and a deck 25 ft wide.

Who owns 300th St. over Unnamed Stream?

It is owned by the County Highway Agency.