US Bridges

K177 HWY over Rock Creek

Fair

Chase County, Kansas · 14.10 MI N Butler Coln · Structure no. 999917700090331

Built
1956
69 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
238 ft
4 main spans
Daily traffic
482
2023 count
Owner
State
State Highway Agency

About this bridge

K177 HWY over Rock Creek is a steel continuous stringer/multi-beam or girder carrying K177 HWY over Rock Creek in Chase County, Kansas. It was built in 1956, so it is 69 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 482 vehicles a day, roughly 12% of them trucks, projected to reach 492 by 2044. The structure is 238 ft (72.4 m) long and 27 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesK177 HWY
CrossesRock Creek
Location14.10 MI N Butler Coln
RouteState Highway 177
StateKansas
Coordinates38.26639, -96.545
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.7 US tons
Inventory rating24.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length238 ft (72.4 m)
Longest span65 ft (19.8 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic482 (2023)
Projected traffic492 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 K177 HWY over Rock Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is K177 HWY over Rock Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does K177 HWY over Rock Creek carry?

About 482 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is K177 HWY over Rock Creek?

The structure is 238 ft (72.4 m) long with a longest span of 65 ft (19.8 m) and a deck 27 ft wide.

Who owns K177 HWY over Rock Creek?

It is owned by the State Highway Agency.