US Bridges

Minor M-3.6 over Porcupine Creek

Good

Jewell County, Kansas · 5.0S 1.4W of Ebson · Structure no. 000450701603360

Built
1980
45 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
113 ft
3 main spans
Daily traffic
25
2018 count
Owner
County
County Highway Agency

About this bridge

Minor M-3.6 over Porcupine Creek is a concrete continuous slab carrying Minor M-3.6 over Porcupine Creek in Jewell County, Kansas. It was built in 1980, so it is 45 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 25 vehicles a day, projected to reach 25 by 2043. The structure is 113 ft (34.4 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMinor M-3.6
CrossesPorcupine Creek
Location5.0S 1.4W of Ebson
RouteCounty Highway 4506
CountyJewell County
StateKansas
Coordinates39.74221, -98.45186
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 rating49.4 US tons
Inventory rating29.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length113 ft (34.4 m)
Longest span44 ft (13.4 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 (2018)
Projected traffic25 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$510,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Minor M-3.6 over Porcupine Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Minor M-3.6 over Porcupine Creek 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 March 2023.

How much traffic does Minor M-3.6 over Porcupine Creek carry?

About 25 vehicles per day (2018 count).

How long is Minor M-3.6 over Porcupine Creek?

The structure is 113 ft (34.4 m) long with a longest span of 44 ft (13.4 m) and a deck 26 ft wide.

Who owns Minor M-3.6 over Porcupine Creek?

It is owned by the County Highway Agency.