US Bridges

S.H. 66 over Dry Creek Oflow

Good

Lincoln County, Oklahoma · 9.3 MI E JCT SH 18 · Structure no. 240100000000000

Built
1995
30 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
2,700
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 66 over Dry Creek Oflow is a prestressed concrete stringer/multi-beam or girder carrying S.H. 66 over Dry Creek Oflow in Lincoln County, Oklahoma. It was built in 1995, so it is 30 years old, younger than the Oklahoma average of 47.8 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 2,700 vehicles a day, roughly 15% of them trucks, projected to reach 4,320 by 2042. The structure is 101 ft (30.8 m) long and 42 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

CarriesS.H. 66
CrossesDry Creek Oflow
Location9.3 MI E JCT SH 18
RouteState Highway 66
Coordinates35.724, -96.74284
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span100 ft (30.5 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2022)
Projected traffic4,320 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 66 over Dry Creek Oflow built?

It was built in 1995, making it 30 years old in 2025.

What condition is S.H. 66 over Dry Creek Oflow 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 August 2024.

How much traffic does S.H. 66 over Dry Creek Oflow carry?

About 2,700 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 66 over Dry Creek Oflow?

The structure is 101 ft (30.8 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.

Who owns S.H. 66 over Dry Creek Oflow?

It is owned by the State Highway Agency.