US Bridges

Q-12.6 Rs 306 over Unnamed Stream

Good

Harvey County, Kansas · 2.4W of Hesston · Structure no. 000000000400220

Built
1940
85 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
625
2006 count
Owner
County
County Highway Agency

About this bridge

Q-12.6 Rs 306 over Unnamed Stream is a concrete culvert carrying Q-12.6 Rs 306 over Unnamed Stream in Harvey 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 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 625 vehicles a day, projected to reach 730 by 2042. The structure is 33 ft (10.1 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesQ-12.6 Rs 306
CrossesUnnamed Stream
Location2.4W of Hesston
RouteCounty Highway 306
CountyHarvey County
StateKansas
Coordinates38.145, -97.49
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length33 ft (10.1 m)
Longest span10 ft (2.9 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic625 (2006)
Projected traffic730 by 2042
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 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 Q-12.6 Rs 306 over Unnamed Stream built?

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

What condition is Q-12.6 Rs 306 over Unnamed Stream 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 April 2024.

How much traffic does Q-12.6 Rs 306 over Unnamed Stream carry?

About 625 vehicles per day (2006 count).

How long is Q-12.6 Rs 306 over Unnamed Stream?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (2.9 m) and a deck 31 ft wide.

Who owns Q-12.6 Rs 306 over Unnamed Stream?

It is owned by the County Highway Agency.