US Bridges

370th Ave over Spring Creek

Poor

Trego County, Kansas · 1.5S 3.5E of Ogallah · Structure no. 000980569004409

Built
1968
57 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
60 ft
3 main spans
Daily traffic
25
2020 count
Owner
County
County Highway Agency

About this bridge

370th Ave over Spring Creek is a steel continuous stringer/multi-beam or girder carrying 370th Ave over Spring Creek in Trego County, Kansas. It was built in 1968, so it is 57 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 25 vehicles a day, projected to reach 30 by 2043. The structure is 60 ft (18.3 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries370th Ave
CrossesSpring Creek
Location1.5S 3.5E of Ogallah
RouteCounty Highway 0
StateKansas
Coordinates38.97386, -99.66872
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.9 US tons
Inventory rating17.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length60 ft (18.3 m)
Longest span23 ft (7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic25 (2020)
Projected traffic30 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 370th Ave over Spring Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is 370th Ave over Spring Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does 370th Ave over Spring Creek carry?

About 25 vehicles per day (2020 count).

How long is 370th Ave over Spring Creek?

The structure is 60 ft (18.3 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns 370th Ave over Spring Creek?

It is owned by the County Highway Agency.