US Bridges

US-56/77 Highway over Clear Creek Drainage

Good

Marion County, Kansas · 11.25 MI N US-77 Njct · Structure no. 999905600570631

Built
2002
23 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
59 ft
4 main spans
Daily traffic
2,283
2023 count
Owner
State
State Highway Agency

About this bridge

US-56/77 Highway over Clear Creek Drainage is a concrete culvert carrying US-56/77 Highway over Clear Creek Drainage in Marion County, Kansas. It was built in 2002, so it is 23 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 2,283 vehicles a day, roughly 21% of them trucks, projected to reach 2,677 by 2044. The structure is 59 ft (18.1 m) long and 129 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS-56/77 Highway
CrossesClear Creek Drainage
Location11.25 MI N US-77 Njct
RouteU.S. Route 56
StateKansas
Coordinates38.52139, -96.95611
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
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 alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating89 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length59 ft (18.1 m)
Longest span10 ft (3.1 m)
Deck width129 ft (39.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,283 (2023)
Projected traffic2,677 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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-56/77 Highway over Clear Creek Drainage built?

It was built in 2002, making it 23 years old in 2025.

What condition is US-56/77 Highway over Clear Creek 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 October 2023.

How much traffic does US-56/77 Highway over Clear Creek Drainage carry?

About 2,283 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is US-56/77 Highway over Clear Creek Drainage?

The structure is 59 ft (18.1 m) long with a longest span of 10 ft (3.1 m) and a deck 129 ft wide.

Who owns US-56/77 Highway over Clear Creek Drainage?

It is owned by the State Highway Agency.