US Bridges

S.H. 64D over U.S. 64 under

Fair

Sequoyah County, Oklahoma · 20.80 E JCT US-59 · Structure no. 192430000000000

Built
1976
49 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
190 ft
2 main spans
Daily traffic
3,300
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 64D over U.S. 64 under is a prestressed concrete stringer/multi-beam or girder carrying S.H. 64D over U.S. 64 under in Sequoyah County, Oklahoma. It was built in 1976, so it is 49 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 3,300 vehicles a day, roughly 15% of them trucks, projected to reach 5,280 by 2042. The structure is 190 ft (57.9 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesS.H. 64D
CrossesU.S. 64 under
Location20.80 E JCT US-59
RouteState Highway 64D
CountySequoyah County
StateOklahoma
Coordinates35.4014, -94.44714
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.1 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span97 ft (29.6 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2022)
Projected traffic5,280 by 2042
Trucks15%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was S.H. 64D over U.S. 64 under built?

It was built in 1976, making it 49 years old in 2025.

What condition is S.H. 64D over U.S. 64 under 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 October 2023.

How much traffic does S.H. 64D over U.S. 64 under carry?

About 3,300 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 64D over U.S. 64 under?

The structure is 190 ft (57.9 m) long with a longest span of 97 ft (29.6 m) and a deck 31 ft wide.

Who owns S.H. 64D over U.S. 64 under?

It is owned by the State Highway Agency.