US Bridges

370th Avenue over Big Creek

PoorPosted for load

Ellis County, Kansas · 6.0S 1.0W of Walker · Structure no. 000260631004682

Built
1960
65 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
40 ft
2 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

370th Avenue over Big Creek is a wood or timber stringer/multi-beam or girder carrying 370th Avenue over Big Creek in Ellis County, Kansas. It was built in 1960, so it is 65 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, roughly 5% of them trucks, projected to reach 36 by 2044. The structure is 40 ft (12.1 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries370th Avenue
CrossesBig Creek
Location6.0S 1.0W of Walker
RouteCounty Highway 0
StateKansas
Coordinates38.77993, -99.09655
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating6.3 US tons
Inventory rating3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length40 ft (12.1 m)
Longest span19 ft (5.7 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2020)
Projected traffic36 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 370th Avenue over Big Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is 370th Avenue over Big 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 December 2024.

How much traffic does 370th Avenue over Big Creek carry?

About 30 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 370th Avenue over Big Creek?

The structure is 40 ft (12.1 m) long with a longest span of 19 ft (5.7 m) and a deck 24 ft wide.

Who owns 370th Avenue over Big Creek?

It is owned by the County Highway Agency.