US Bridges

U.S. 77 SB over I-35 N.B. under

Good

Cleveland County, Oklahoma · U.S.77 SB and I-35 under · Structure no. 292200000000000

Built
2009
16 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
204 ft
3 main spans
Daily traffic
19,700
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 77 SB over I-35 N.B. under is a prestressed concrete stringer/multi-beam or girder carrying U.S. 77 SB over I-35 N.B. under in Cleveland County, Oklahoma. It was built in 2009, so it is 16 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 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 19,700 vehicles a day, roughly 16% of them trucks, projected to reach 31,520 by 2042. The structure is 204 ft (62.2 m) long and 38 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesU.S. 77 SB
CrossesI-35 N.B. under
LocationU.S.77 SB and I-35 under
RouteU.S. Route 77
Coordinates35.27951, -97.48427
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating47 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length204 ft (62.2 m)
Longest span113 ft (34.3 m)
Deck width38 ft (11.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,700 (2022)
Projected traffic31,520 by 2042
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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$3.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. 77 SB over I-35 N.B. under built?

It was built in 2009, making it 16 years old in 2025.

What condition is U.S. 77 SB over I-35 N.B. under 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 October 2023.

How much traffic does U.S. 77 SB over I-35 N.B. under carry?

About 19,700 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is U.S. 77 SB over I-35 N.B. under?

The structure is 204 ft (62.2 m) long with a longest span of 113 ft (34.3 m) and a deck 38 ft wide.

Who owns U.S. 77 SB over I-35 N.B. under?

It is owned by the State Highway Agency.