US Bridges

280th Avenue over Smoky Hill Tributary

Fair

Ellis County, Kansas · 3.0S of Munjor · Structure no. 000260613004701

Built
1940
85 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

280th Avenue over Smoky Hill Tributary is a concrete continuous slab carrying 280th Avenue over Smoky Hill Tributary in Ellis County, Kansas. It was built in 1940, so it is 85 years old, older 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 5 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 120 by 2044. The structure is 31 ft (9.4 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries280th Avenue
CrossesSmoky Hill Tributary
Location3.0S of Munjor
RouteCounty Highway 2613
CountyEllis County
StateKansas
Coordinates38.76873, -99.26362
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating36 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic100 (2020)
Projected traffic120 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 280th Avenue over Smoky Hill Tributary built?

It was built in 1940, making it 85 years old in 2025.

What condition is 280th Avenue over Smoky Hill Tributary 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 December 2024.

How much traffic does 280th Avenue over Smoky Hill Tributary carry?

About 100 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 280th Avenue over Smoky Hill Tributary?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns 280th Avenue over Smoky Hill Tributary?

It is owned by the County Highway Agency.