US Bridges

S.H. 66 SB over Verdigris River (kmarns)

Fair

Rogers County, Oklahoma · 3.8 MI N JCT I 44 · Structure no. 176040000000000

Built
1969
56 years old
Condition
Fair
inspected June 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
848 ft
3 main spans
Daily traffic
8,600
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 66 SB over Verdigris River (kmarns) is a steel continuous girder and floorbeam system carrying S.H. 66 SB over Verdigris River (kmarns) in Rogers 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 8,600 vehicles a day, roughly 15% of them trucks, projected to reach 13,760 by 2042. The structure is 848 ft (258.5 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesS.H. 66 SB
CrossesVerdigris River (kmarns)
Location3.8 MI N JCT I 44
RouteState Highway 66
CountyRogers County
StateOklahoma
Coordinates36.21468, -95.72154
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.6 US tons
Inventory rating37 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length848 ft (258.5 m)
Longest span334 ft (101.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,600 (2022)
Projected traffic13,760 by 2042
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$10.1 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was S.H. 66 SB over Verdigris River (kmarns) built?

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

What condition is S.H. 66 SB over Verdigris River (kmarns) 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 June 2023.

How much traffic does S.H. 66 SB over Verdigris River (kmarns) carry?

About 8,600 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 66 SB over Verdigris River (kmarns)?

The structure is 848 ft (258.5 m) long with a longest span of 334 ft (101.8 m) and a deck 31 ft wide.

Who owns S.H. 66 SB over Verdigris River (kmarns)?

It is owned by the State Highway Agency.