US Bridges

U.S. 70 over Blue River

Fair

Bryan County, Oklahoma · 7.7E JCT U.S. 69 Bus · Structure no. 291250000000000

Built
2013
12 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
600 ft
6 main spans
Daily traffic
4,200
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 70 over Blue River is a prestressed concrete stringer/multi-beam or girder carrying U.S. 70 over Blue River in Bryan County, Oklahoma. It was built in 2013, so it is 12 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,200 vehicles a day, roughly 16% of them trucks, projected to reach 6,720 by 2042. The structure is 600 ft (182.9 m) long and 45 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesU.S. 70
CrossesBlue River
Location7.7E JCT U.S. 69 Bus
RouteU.S. Route 70
CountyBryan County
StateOklahoma
Coordinates33.99778, -96.24167
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
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 rating83 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length600 ft (182.9 m)
Longest span100 ft (30.5 m)
Deck width45 ft (13.7 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2022)
Projected traffic6,720 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
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 over Blue River built?

It was built in 2013, making it 12 years old in 2025.

What condition is U.S. 70 over Blue River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does U.S. 70 over Blue River carry?

About 4,200 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is U.S. 70 over Blue River?

The structure is 600 ft (182.9 m) long with a longest span of 100 ft (30.5 m) and a deck 45 ft wide.

Who owns U.S. 70 over Blue River?

It is owned by the State Highway Agency.