US Bridges

K63 HWY over Spillway Nemaha Lake

Good

Nemaha County, Kansas · 3.15 MI N Njct K9 · Structure no. 999906300660331

Built
1987
38 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
203 ft
3 main spans
Daily traffic
1,118
2023 count
Owner
State
State Highway Agency

About this bridge

K63 HWY over Spillway Nemaha Lake is a prestressed concrete continuous stringer/multi-beam or girder carrying K63 HWY over Spillway Nemaha Lake in Nemaha County, Kansas. It was built in 1987, so it is 38 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 1,118 vehicles a day, roughly 13% of them trucks, projected to reach 1,337 by 2044. The structure is 203 ft (62 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesK63 HWY
CrossesSpillway Nemaha Lake
Location3.15 MI N Njct K9
RouteState Highway 63
StateKansas
Coordinates39.77, -96.03694
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating33 US tons
Inventory rating19 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length203 ft (62 m)
Longest span80 ft (24.4 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,118 (2023)
Projected traffic1,337 by 2044
Trucks13%
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

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 K63 HWY over Spillway Nemaha Lake built?

It was built in 1987, making it 38 years old in 2025.

What condition is K63 HWY over Spillway Nemaha Lake 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 2023.

How much traffic does K63 HWY over Spillway Nemaha Lake carry?

About 1,118 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is K63 HWY over Spillway Nemaha Lake?

The structure is 203 ft (62 m) long with a longest span of 80 ft (24.4 m) and a deck 34 ft wide.

Who owns K63 HWY over Spillway Nemaha Lake?

It is owned by the State Highway Agency.