US Bridges

Minor N-280 over Straight Creek

FairPosted for load

Jackson County, Kansas · 3.0E 3.2N Circleville · Structure no. 000430985003608

Built
1975
50 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
35
2018 count
Owner
County
County Highway Agency

About this bridge

Minor N-280 over Straight Creek is a concrete culvert carrying Minor N-280 over Straight Creek in Jackson County, Kansas. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, projected to reach 35 by 2044. The structure is 26 ft (7.9 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMinor N-280
CrossesStraight Creek
Location3.0E 3.2N Circleville
RouteCounty Highway 4303
CountyJackson County
StateKansas
Coordinates39.55285, -95.79278
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24 US tons
Inventory rating14.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.6 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic35 (2018)
Projected traffic35 by 2044
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Minor N-280 over Straight Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Minor N-280 over Straight Creek 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 January 2024.

How much traffic does Minor N-280 over Straight Creek carry?

About 35 vehicles per day (2018 count).

How long is Minor N-280 over Straight Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.6 m) and a deck 29 ft wide.

Who owns Minor N-280 over Straight Creek?

It is owned by the County Highway Agency.