US Bridges

N4020 N. Garnett over Quarry Creek

Good

Tulsa County, Oklahoma · .5S JCT 36th ST / US169 · Structure no. 323490000000000

Built
2015
10 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
8,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N4020 N. Garnett over Quarry Creek is a concrete culvert carrying N4020 N. Garnett over Quarry Creek in Tulsa County, Oklahoma. It was built in 2015, so it is 10 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 8,000 vehicles a day, roughly 5% of them trucks, projected to reach 12,800 by 2042. The structure is 44 ft (13.4 m) long and 50 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN4020 N. Garnett
CrossesQuarry Creek
Location.5S JCT 36th ST / US169
RouteCity Street N4020
Coordinates36.1974, -95.85106
Functional classUrban Collector

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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span14 ft (4.3 m)
Deck width50 ft (15.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2022)
Projected traffic12,800 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 N4020 N. Garnett over Quarry Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is N4020 N. Garnett over Quarry 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 N4020 N. Garnett over Quarry Creek carry?

About 8,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N4020 N. Garnett over Quarry Creek?

The structure is 44 ft (13.4 m) long with a longest span of 14 ft (4.3 m) and a deck 50 ft wide.

Who owns N4020 N. Garnett over Quarry Creek?

It is owned by the City or Municipal Highway Agency.