US Bridges

Rs 427 AA.8 - 2420 over Six Mile Creek

Fair

Morris County, Kansas · 3.0E of Burdick · Structure no. 000000000640015

Built
1940
85 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
156 ft
3 main spans
Daily traffic
25
2011 count
Owner
County
County Highway Agency

About this bridge

Rs 427 AA.8 - 2420 over Six Mile Creek is a steel continuous stringer/multi-beam or girder carrying Rs 427 AA.8 - 2420 over Six Mile Creek in Morris 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 25 vehicles a day, projected to reach 70 by 2040. The structure is 156 ft (47.4 m) long and 26 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesRs 427 AA.8 - 2420
CrossesSix Mile Creek
Location3.0E of Burdick
RouteCounty Highway 427
CountyMorris County
StateKansas
Coordinates38.5692, -96.78367
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating27.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length156 ft (47.4 m)
Longest span58 ft (17.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic25 (2011)
Projected traffic70 by 2040
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 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 Rs 427 AA.8 - 2420 over Six Mile Creek built?

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

What condition is Rs 427 AA.8 - 2420 over Six Mile 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 September 2024.

How much traffic does Rs 427 AA.8 - 2420 over Six Mile Creek carry?

About 25 vehicles per day (2011 count).

How long is Rs 427 AA.8 - 2420 over Six Mile Creek?

The structure is 156 ft (47.4 m) long with a longest span of 58 ft (17.7 m) and a deck 26 ft wide.

Who owns Rs 427 AA.8 - 2420 over Six Mile Creek?

It is owned by the County Highway Agency.