US Bridges

S.H. 29 over Mccubbin

Good

Stephens County, Oklahoma · 3.3 E of U.S. 81 · Structure no. 311640000000000

Built
2020
5 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
185 ft
3 main spans
Daily traffic
2,600
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 29 over Mccubbin is a prestressed concrete stringer/multi-beam or girder carrying S.H. 29 over Mccubbin in Stephens County, Oklahoma. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,600 vehicles a day, roughly 16% of them trucks, projected to reach 2,650 by 2042. The structure is 185 ft (56.4 m) long and 42 ft wide. If it were closed, the detour would be 47.2 mi (76 km).

CarriesS.H. 29
CrossesMccubbin
Location3.3 E of U.S. 81
RouteState Highway 29
Coordinates34.63792, -97.90606
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 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 rating48 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length185 ft (56.4 m)
Longest span75 ft (22.9 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic2,600 (2022)
Projected traffic2,650 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.2 mi (76 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 29 over Mccubbin built?

It was built in 2020, making it 5 years old in 2025.

What condition is S.H. 29 over Mccubbin 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 May 2024.

How much traffic does S.H. 29 over Mccubbin carry?

About 2,600 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 29 over Mccubbin?

The structure is 185 ft (56.4 m) long with a longest span of 75 ft (22.9 m) and a deck 42 ft wide.

Who owns S.H. 29 over Mccubbin?

It is owned by the State Highway Agency.