US Bridges

S.H. 123 over Unnamed Creek

Good

Washington County, Oklahoma · .6 NE JCT U.S. 60 · Structure no. 314910000000000

Built
2023
2 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
140 ft
3 main spans
Daily traffic
4,500
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 123 over Unnamed Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 123 over Unnamed Creek in Washington County, Oklahoma. It was built in 2023, so it is 2 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 4,500 vehicles a day, roughly 3% of them trucks, projected to reach 6,200 by 2042. The structure is 140 ft (42.8 m) long and 42 ft wide.

Location

Open in Google Maps
CarriesS.H. 123
CrossesUnnamed Creek
Location.6 NE JCT U.S. 60
RouteState Highway 23
CountyWashington County
StateOklahoma
Coordinates36.76861, -95.95889
Functional classRural Minor Arterial

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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.8 US tons
Inventory rating37.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length140 ft (42.8 m)
Longest span50 ft (15.2 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2022)
Projected traffic6,200 by 2042
Trucks3%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S.H. 123 over Unnamed Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is S.H. 123 over Unnamed Creek 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 2023.

How much traffic does S.H. 123 over Unnamed Creek carry?

About 4,500 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is S.H. 123 over Unnamed Creek?

The structure is 140 ft (42.8 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.

Who owns S.H. 123 over Unnamed Creek?

It is owned by the State Highway Agency.