US Bridges

S.H. 70E over Blue River

Fair

Bryan County, Oklahoma · 22.78 E JCT SH-78 · Structure no. 141860000000000

Built
1958
67 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
300 ft
3 main spans
Daily traffic
240
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 70E over Blue River is a steel continuous stringer/multi-beam or girder carrying S.H. 70E over Blue River in Bryan County, Oklahoma. It was built in 1958, so it is 67 years old, older 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 5 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 240 vehicles a day, roughly 15% of them trucks, projected to reach 384 by 2042. The structure is 300 ft (91.4 m) long and 31 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

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CarriesS.H. 70E
CrossesBlue River
Location22.78 E JCT SH-78
RouteState Highway 70E
CountyBryan County
StateOklahoma
Coordinates33.89149, -96.02527
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length300 ft (91.4 m)
Longest span115 ft (35.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2022)
Projected traffic384 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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$2.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 70E over Blue River built?

It was built in 1958, making it 67 years old in 2025.

What condition is S.H. 70E 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 S.H. 70E over Blue River carry?

About 240 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 70E over Blue River?

The structure is 300 ft (91.4 m) long with a longest span of 115 ft (35.1 m) and a deck 31 ft wide.

Who owns S.H. 70E over Blue River?

It is owned by the State Highway Agency.