US Bridges

US-56 HWY over Dragoon Crk Drainage

Good

Osage County, Kansas · 4.44 MI E Njct K-31 · Structure no. 999905600701061

Built
1990
35 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
975
2023 count
Owner
State
State Highway Agency

About this bridge

US-56 HWY over Dragoon Crk Drainage is a concrete culvert carrying US-56 HWY over Dragoon Crk Drainage in Osage County, Kansas. It was built in 1990, so it is 35 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 975 vehicles a day, roughly 17% of them trucks, projected to reach 995 by 2044. The structure is 44 ft (13.3 m) long and 46 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesUS-56 HWY
CrossesDragoon Crk Drainage
Location4.44 MI E Njct K-31
RouteU.S. Route 56
StateKansas
Coordinates38.75333, -95.75167
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating108 US tons
Inventory rating65 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length44 ft (13.3 m)
Longest span14 ft (4.3 m)
Deck width46 ft (13.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic975 (2023)
Projected traffic995 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US-56 HWY over Dragoon Crk Drainage built?

It was built in 1990, making it 35 years old in 2025.

What condition is US-56 HWY over Dragoon Crk Drainage 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 June 2024.

How much traffic does US-56 HWY over Dragoon Crk Drainage carry?

About 975 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US-56 HWY over Dragoon Crk Drainage?

The structure is 44 ft (13.3 m) long with a longest span of 14 ft (4.3 m) and a deck 46 ft wide.

Who owns US-56 HWY over Dragoon Crk Drainage?

It is owned by the State Highway Agency.