US Bridges

180 Road (rs 685) over Downer Creek

Good

Trego County, Kansas · 2.9N 7.0W of Trego Center · Structure no. 00000000098B190

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
65
2020 count
Owner
County
County Highway Agency

About this bridge

180 Road (rs 685) over Downer Creek is a concrete culvert carrying 180 Road (rs 685) over Downer Creek in Trego County, Kansas. It was built in 2023, so it is 2 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 65 vehicles a day, roughly 10% of them trucks, projected to reach 75 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Carries180 Road (rs 685)
CrossesDowner Creek
Location2.9N 7.0W of Trego Center
RouteCounty Highway 685
StateKansas
Coordinates38.9271, -100.02074
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic65 (2020)
Projected traffic75 by 2043
Trucks10%
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 180 Road (rs 685) over Downer Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is 180 Road (rs 685) over Downer 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 2023.

How much traffic does 180 Road (rs 685) over Downer Creek carry?

About 65 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is 180 Road (rs 685) over Downer Creek?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.5 m).

Who owns 180 Road (rs 685) over Downer Creek?

It is owned by the County Highway Agency.