US Bridges

300th Ave over Saline River

Fair

Trego County, Kansas · 5.1N 4.0E of Wakeeny · Structure no. 000980555004229

Built
1983
42 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
171 ft
4 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

300th Ave over Saline River is a concrete continuous slab carrying 300th Ave over Saline River in Trego County, Kansas. It was built in 1983, so it is 42 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 40 vehicles a day, projected to reach 45 by 2043. The structure is 171 ft (52 m) long and 28 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Carries300th Ave
CrossesSaline River
Location5.1N 4.0E of Wakeeny
RouteCounty Highway 0
StateKansas
Coordinates39.10432, -99.79614
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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; action required to protect exposed foundations
Structural evaluation6: Equal to 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 rating44.2 US tons
Inventory rating26.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length171 ft (52 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 traffic40 (2020)
Projected traffic45 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 300th Ave over Saline River built?

It was built in 1983, making it 42 years old in 2025.

What condition is 300th Ave over Saline River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does 300th Ave over Saline River carry?

About 40 vehicles per day (2020 count).

How long is 300th Ave over Saline River?

The structure is 171 ft (52 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.

Who owns 300th Ave over Saline River?

It is owned by the County Highway Agency.