US Bridges

K177 HWY over Eldorado Lake

Good

Butler County, Kansas · 2.45 MI N of US-54 HWY · Structure no. 999917700081232

Built
1979
46 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
404 ft
4 main spans
Daily traffic
518
2023 count
Owner
State
State Highway Agency

About this bridge

K177 HWY over Eldorado Lake is a prestressed concrete continuous stringer/multi-beam or girder carrying K177 HWY over Eldorado Lake in Butler County, Kansas. It was built in 1979, so it is 46 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 518 vehicles a day, roughly 9% of them trucks, projected to reach 632 by 2044. The structure is 404 ft (123 m) long and 46 ft wide.

CarriesK177 HWY
CrossesEldorado Lake
Location2.45 MI N of US-54 HWY
RouteState Highway 177
StateKansas
Coordinates37.84472, -96.74917
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating26 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length404 ft (123 m)
Longest span100 ft (30.5 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic518 (2023)
Projected traffic632 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 K177 HWY over Eldorado Lake built?

It was built in 1979, making it 46 years old in 2025.

What condition is K177 HWY over Eldorado 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 September 2024.

How much traffic does K177 HWY over Eldorado Lake carry?

About 518 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is K177 HWY over Eldorado Lake?

The structure is 404 ft (123 m) long with a longest span of 100 ft (30.5 m) and a deck 46 ft wide.

Who owns K177 HWY over Eldorado Lake?

It is owned by the State Highway Agency.