US Bridges

N4050 (161st E.) over Creek

Good

Tulsa County, Oklahoma · .5S of 186th St. N · Structure no. 298380000000000

Built
2011
14 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
47 ft
3 main spans
Daily traffic
1,134
2024 count
Owner
County
County Highway Agency

About this bridge

N4050 (161st E.) over Creek is a concrete culvert carrying N4050 (161st E.) over Creek in Tulsa County, Oklahoma. It was built in 2011, so it is 14 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 1,134 vehicles a day, roughly 10% of them trucks, projected to reach 1,814 by 2044. The structure is 47 ft (14.4 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN4050 (161st E.)
CrossesCreek
Location.5S of 186th St. N
RouteCounty Highway N4050
Coordinates36.41722, -95.79444
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length47 ft (14.4 m)
Longest span13 ft (4 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,134 (2024)
Projected traffic1,814 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4050 (161st E.) over Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is N4050 (161st E.) over Creek 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 February 2024.

How much traffic does N4050 (161st E.) over Creek carry?

About 1,134 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is N4050 (161st E.) over Creek?

The structure is 47 ft (14.4 m) long with a longest span of 13 ft (4 m) and a deck 36 ft wide.

Who owns N4050 (161st E.) over Creek?

It is owned by the County Highway Agency.