US Bridges

390th Ave over Big Creek

Good

Trego County, Kansas · 4.4S 6.3E of Ogallah · Structure no. 000980573004465

Built
1991
34 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

390th Ave over Big Creek is a concrete continuous slab carrying 390th Ave over Big Creek in Trego County, Kansas. It was built in 1991, so it is 34 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 30 vehicles a day, projected to reach 40 by 2043. The structure is 122 ft (37.3 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries390th Ave
CrossesBig Creek
Location4.4S 6.3E of Ogallah
RouteCounty Highway 0
CountyTrego County
StateKansas
Coordinates38.93528, -99.63217
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 protection7 GoodSome minor problems.
Last inspectionJune 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating40.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.3 m)
Longest span48 ft (14.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2020)
Projected traffic40 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 390th Ave over Big Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is 390th Ave over Big 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 June 2023.

How much traffic does 390th Ave over Big Creek carry?

About 30 vehicles per day (2020 count).

How long is 390th Ave over Big Creek?

The structure is 122 ft (37.3 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.

Who owns 390th Ave over Big Creek?

It is owned by the County Highway Agency.