US Bridges

N3020 (mac Arthur) over Creek

Fair

Oklahoma County, Oklahoma · .6S of SW 29 · Structure no. 188720000000000

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
10,625
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N3020 (mac Arthur) over Creek is a concrete culvert carrying N3020 (mac Arthur) over Creek in Oklahoma County, Oklahoma. It was built in 1975, so it is 50 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 10,625 vehicles a day, roughly 7% of them trucks, projected to reach 17,000 by 2042. The structure is 37 ft (11.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN3020 (mac Arthur)
CrossesCreek
Location.6S of SW 29
RouteCity Street N3020
CountyOklahoma County
StateOklahoma
Coordinates35.42645, -97.61891
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating72 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length37 ft (11.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,625 (2022)
Projected traffic17,000 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3020 (mac Arthur) over Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is N3020 (mac Arthur) 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 July 2023.

How much traffic does N3020 (mac Arthur) over Creek carry?

About 10,625 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is N3020 (mac Arthur) over Creek?

The structure is 37 ft (11.2 m) long with a longest span of 10 ft (3 m).

Who owns N3020 (mac Arthur) over Creek?

It is owned by the City or Municipal Highway Agency.