US Bridges

US-77 HWY over Cottonwood River Drng

Good

Marion County, Kansas · 1.58 MI S K-150/U-77 JCT · Structure no. 999907700570721

Built
2007
18 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
2,263
2023 count
Owner
State
State Highway Agency

About this bridge

US-77 HWY over Cottonwood River Drng is a concrete culvert carrying US-77 HWY over Cottonwood River Drng in Marion County, Kansas. It was built in 2007, so it is 18 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 2,263 vehicles a day, roughly 19% of them trucks, projected to reach 2,355 by 2044. The structure is 26 ft (7.9 m) long and 442 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS-77 HWY
CrossesCottonwood River Drng
Location1.58 MI S K-150/U-77 JCT
RouteU.S. Route 77
StateKansas
Coordinates38.33444, -96.96667
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 within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating99.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width442 ft (134.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,263 (2023)
Projected traffic2,355 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-77 HWY over Cottonwood River Drng built?

It was built in 2007, making it 18 years old in 2025.

What condition is US-77 HWY over Cottonwood River Drng 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-77 HWY over Cottonwood River Drng carry?

About 2,263 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is US-77 HWY over Cottonwood River Drng?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 442 ft wide.

Who owns US-77 HWY over Cottonwood River Drng?

It is owned by the State Highway Agency.