US Bridges

N3620 over Creek

Fair

Creek County, Oklahoma · 2E 1.7N of Drumright · Structure no. 026860000000000

Built
1930
95 years old, rebuilt 1950
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N3620 over Creek is a steel stringer/multi-beam or girder carrying N3620 over Creek in Creek County, Oklahoma. It was built in 1930 and reconstructed in 1950, so it is 95 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 30 ft (9.1 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN3620
CrossesCreek
Location2E 1.7N of Drumright
RouteCounty Highway N3620
CountyCreek County
StateOklahoma
Coordinates36.01146, -96.5662
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span18 ft (5.5 m)
Deck width23 ft (7.1 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$270,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3620 over Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1950.

What condition is N3620 over Creek 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 May 2024.

How much traffic does N3620 over Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3620 over Creek?

The structure is 30 ft (9.1 m) long with a longest span of 18 ft (5.5 m) and a deck 23 ft wide.

Who owns N3620 over Creek?

It is owned by the County Highway Agency.