US Bridges

S.H. 56 over Nuyaka Creek

Good

Okfuskee County, Oklahoma · 4.8N JCT U.S. 62 · Structure no. 266330000000000

Built
2002
23 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
99 ft
1 main span
Daily traffic
800
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 56 over Nuyaka Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 56 over Nuyaka Creek in Okfuskee County, Oklahoma. It was built in 2002, so it is 23 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 800 vehicles a day, roughly 15% of them trucks, projected to reach 1,280 by 2042. The structure is 99 ft (30.2 m) long and 43 ft wide. If it were closed, the detour would be 67.7 mi (109 km).

CarriesS.H. 56
CrossesNuyaka Creek
Location4.8N JCT U.S. 62
RouteState Highway 56
Coordinates35.47453, -96.26456
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.
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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span99 ft (30.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2022)
Projected traffic1,280 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed67.7 mi (109 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 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. 56 over Nuyaka Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is S.H. 56 over Nuyaka 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. 56 over Nuyaka Creek carry?

About 800 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 56 over Nuyaka Creek?

The structure is 99 ft (30.2 m) long with a longest span of 99 ft (30.2 m) and a deck 43 ft wide.

Who owns S.H. 56 over Nuyaka Creek?

It is owned by the State Highway Agency.