US Bridges

Co. Rd. N3620 over Turner Tp (I-44) under

Fair

Creek County, Oklahoma · 50.5 MI N E JCT I-35 · Structure no. 130800000000000

Built
1953
72 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
150 ft
4 main spans
Daily traffic
100
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Co. Rd. N3620 over Turner Tp (I-44) under is a steel stringer/multi-beam or girder carrying Co. Rd. N3620 over Turner Tp (I-44) under in Creek County, Oklahoma. It was built in 1953, so it is 72 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 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 150 ft (45.7 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCo. Rd. N3620
CrossesTurner Tp (I-44) under
Location50.5 MI N E JCT I-35
RouteCounty Highway N3620
Coordinates35.79493, -96.56572
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.5 US tons
Inventory rating29.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length150 ft (45.7 m)
Longest span44 ft (13.4 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Co. Rd. N3620 over Turner Tp (I-44) under built?

It was built in 1953, making it 72 years old in 2025.

What condition is Co. Rd. N3620 over Turner Tp (I-44) 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 June 2024.

How much traffic does Co. Rd. N3620 over Turner Tp (I-44) under carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Co. Rd. N3620 over Turner Tp (I-44) under?

The structure is 150 ft (45.7 m) long with a longest span of 44 ft (13.4 m) and a deck 30 ft wide.

Who owns Co. Rd. N3620 over Turner Tp (I-44) under?

It is owned by the State Toll Authority.