US Bridges

Local Rd. Q6A over Fourth Creek

Good

Mitchell County, Kansas · 3.3W 3.5S of Simpson · Structure no. 000620749603920

Built
1941
84 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
30
2002 count
Owner
County
County Highway Agency

About this bridge

Local Rd. Q6A over Fourth Creek is a steel stringer/multi-beam or girder carrying Local Rd. Q6A over Fourth Creek in Mitchell County, Kansas. It was built in 1941, so it is 84 years old, older 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 30 vehicles a day, projected to reach 30 by 2043. The structure is 26 ft (7.9 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal Rd. Q6A
CrossesFourth Creek
Location3.3W 3.5S of Simpson
RouteCounty Highway 0
StateKansas
Coordinates39.335, -97.99194
Functional classRural Local

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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.7 US tons
Inventory rating14.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2002)
Projected traffic30 by 2043
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 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 Local Rd. Q6A over Fourth Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is Local Rd. Q6A over Fourth 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 Local Rd. Q6A over Fourth Creek carry?

About 30 vehicles per day (2002 count).

How long is Local Rd. Q6A over Fourth Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 20 ft wide.

Who owns Local Rd. Q6A over Fourth Creek?

It is owned by the County Highway Agency.