US Bridges

U.S. 70 Bypass SB over Mineral Bayou Creek

Good

Bryan County, Oklahoma · 0.5 S JCT US-70 · Structure no. 293320000000000

Built
2010
15 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
304 ft
4 main spans
Daily traffic
8,150
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 70 Bypass SB over Mineral Bayou Creek is a prestressed concrete stringer/multi-beam or girder carrying U.S. 70 Bypass SB over Mineral Bayou Creek in Bryan County, Oklahoma. It was built in 2010, so it is 15 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 8,150 vehicles a day, roughly 25% of them trucks, projected to reach 13,040 by 2042. The structure is 304 ft (92.6 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesU.S. 70 Bypass SB
CrossesMineral Bayou Creek
Location0.5 S JCT US-70
RouteU.S. Route 70
CountyBryan County
StateOklahoma
Coordinates33.99028, -96.42778
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length304 ft (92.6 m)
Longest span100 ft (30.5 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,150 (2022)
Projected traffic13,040 by 2042
Trucks25%
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$2.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 70 Bypass SB over Mineral Bayou Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is U.S. 70 Bypass SB over Mineral Bayou 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 April 2024.

How much traffic does U.S. 70 Bypass SB over Mineral Bayou Creek carry?

About 8,150 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is U.S. 70 Bypass SB over Mineral Bayou Creek?

The structure is 304 ft (92.6 m) long with a longest span of 100 ft (30.5 m) and a deck 41 ft wide.

Who owns U.S. 70 Bypass SB over Mineral Bayou Creek?

It is owned by the State Highway Agency.