US Bridges

370th Avenue over Saline River

Good

Ellis County, Kansas · 13.2N 1.0W of Walker · Structure no. 000000000260720

Built
1997
28 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
230 ft
3 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

370th Avenue over Saline River is a prestressed concrete continuous stringer/multi-beam or girder carrying 370th Avenue over Saline River in Ellis County, Kansas. It was built in 1997, so it is 28 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 50 by 2044. The structure is 230 ft (70 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries370th Avenue
CrossesSaline River
Location13.2N 1.0W of Walker
RouteCounty Highway 1911
StateKansas
Coordinates39.05868, -99.09363
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating25.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length230 ft (70 m)
Longest span76 ft (23.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2020)
Projected traffic50 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 370th Avenue over Saline River built?

It was built in 1997, making it 28 years old in 2025.

What condition is 370th Avenue over Saline River 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 2024.

How much traffic does 370th Avenue over Saline River carry?

About 40 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is 370th Avenue over Saline River?

The structure is 230 ft (70 m) long with a longest span of 76 ft (23.1 m) and a deck 30 ft wide.

Who owns 370th Avenue over Saline River?

It is owned by the County Highway Agency.