US Bridges

Ok St. HWY 71 over Eufaula Lake Canadian R

Good

McIntosh County, Oklahoma · 20 MI East of Eufaula · Structure no. CEPSWTOKEUFAULA

Built
1964
61 years old, rebuilt 2023
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
528 ft
11 main spans
Daily traffic
1,600
2024 count
Owner
Federal
Corps of Engineers (Civil)

About this bridge

Ok St. HWY 71 over Eufaula Lake Canadian R is a prestressed concrete stringer/multi-beam or girder carrying Ok St. HWY 71 over Eufaula Lake Canadian R in McIntosh County, Oklahoma. It was built in 1964 and reconstructed in 2023, so it is 61 years old, older 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 1,600 vehicles a day, roughly 15% of them trucks, projected to reach 2,500 by 2044. The structure is 528 ft (160.9 m) long and 37 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesOk St. HWY 71
CrossesEufaula Lake Canadian R
Location20 MI East of Eufaula
RouteState Highway 71
Coordinates35.30621, -95.35841
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.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating55.7 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans11
Design loadHL 93
Structure length528 ft (160.9 m)
Longest span48 ft (14.6 m)
Deck width37 ft (11.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2024)
Projected traffic2,500 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCorps of Engineers (Civil)
Maintained byCorps of Engineers (Civil)
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost$178,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ok St. HWY 71 over Eufaula Lake Canadian R built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2023.

What condition is Ok St. HWY 71 over Eufaula Lake Canadian R 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 Ok St. HWY 71 over Eufaula Lake Canadian R carry?

About 1,600 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Ok St. HWY 71 over Eufaula Lake Canadian R?

The structure is 528 ft (160.9 m) long with a longest span of 48 ft (14.6 m) and a deck 37 ft wide.

Who owns Ok St. HWY 71 over Eufaula Lake Canadian R?

It is owned by the Corps of Engineers (Civil).