US Bridges

U.S. 177 over U.S. 60 under

Fair

Kay County, Oklahoma · 3.6 MI E JCT I 35 · Structure no. 175210000000000

Built
1969
56 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
186 ft
2 main spans
Daily traffic
2,100
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 177 over U.S. 60 under is a steel continuous stringer/multi-beam or girder carrying U.S. 177 over U.S. 60 under in Kay County, Oklahoma. It was built in 1969, so it is 56 years old, older than the Oklahoma average of 47.8 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 2,100 vehicles a day, roughly 15% of them trucks, projected to reach 3,360 by 2042. The structure is 186 ft (56.7 m) long and 46 ft wide.

Location

Open in Google Maps
CarriesU.S. 177
CrossesU.S. 60 under
Location3.6 MI E JCT I 35
RouteU.S. Route 177
CountyKay County
StateOklahoma
Coordinates36.68824, -97.28272
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length186 ft (56.7 m)
Longest span94 ft (28.7 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2022)
Projected traffic3,360 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. 177 over U.S. 60 under built?

It was built in 1969, making it 56 years old in 2025.

What condition is U.S. 177 over U.S. 60 under 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 July 2024.

How much traffic does U.S. 177 over U.S. 60 under carry?

About 2,100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is U.S. 177 over U.S. 60 under?

The structure is 186 ft (56.7 m) long with a longest span of 94 ft (28.7 m) and a deck 46 ft wide.

Who owns U.S. 177 over U.S. 60 under?

It is owned by the State Highway Agency.