US Bridges

N3994 (s. 71st E) over Creek

Good

Tulsa County, Oklahoma · .6W .1S of MEMORIAL/15th · Structure no. 323550000000000

Built
2010
15 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
44 ft
4 main spans
Daily traffic
100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N3994 (s. 71st E) over Creek is a concrete culvert carrying N3994 (s. 71st E) over Creek in Tulsa County, Oklahoma. It was built in 2010, so it is 15 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2042. The structure is 44 ft (13.3 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesN3994 (s. 71st E)
CrossesCreek
Location.6W .1S of MEMORIAL/15th
RouteCity Street N3994
CountyTulsa County
StateOklahoma
Coordinates36.13866, -95.89721
Functional classUrban 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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length44 ft (13.3 m)
Longest span10 ft (3 m)
Deck width48 ft (14.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost$225,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was N3994 (s. 71st E) over Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is N3994 (s. 71st 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 2023.

How much traffic does N3994 (s. 71st E) over Creek carry?

About 100 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N3994 (s. 71st E) over Creek?

The structure is 44 ft (13.3 m) long with a longest span of 10 ft (3 m) and a deck 48 ft wide.

Who owns N3994 (s. 71st E) over Creek?

It is owned by the City or Municipal Highway Agency.