US Bridges

N3020 (mac Arthur) over S.H. 152 under

Fair

Oklahoma County, Oklahoma · 2.2W of JCT 1-44/S.H. 152 · Structure no. 187650000000000

Built
1974
51 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
232 ft
2 main spans
Daily traffic
5,000
2022 count
Owner
State
State Highway Agency

About this bridge

N3020 (mac Arthur) over S.H. 152 under is a steel continuous stringer/multi-beam or girder carrying N3020 (mac Arthur) over S.H. 152 under in Oklahoma County, Oklahoma. It was built in 1974, so it is 51 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 5,000 vehicles a day, roughly 7% of them trucks, projected to reach 8,000 by 2042. The structure is 232 ft (70.7 m) long and 81 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesN3020 (mac Arthur)
CrossesS.H. 152 under
Location2.2W of JCT 1-44/S.H. 152
RouteCity Street N3020
Coordinates35.42301, -97.61882
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length232 ft (70.7 m)
Longest span115 ft (35.1 m)
Deck width81 ft (24.6 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2022)
Projected traffic8,000 by 2042
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$2.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was N3020 (mac Arthur) over S.H. 152 under built?

It was built in 1974, making it 51 years old in 2025.

What condition is N3020 (mac Arthur) over S.H. 152 under 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 August 2023.

How much traffic does N3020 (mac Arthur) over S.H. 152 under carry?

About 5,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is N3020 (mac Arthur) over S.H. 152 under?

The structure is 232 ft (70.7 m) long with a longest span of 115 ft (35.1 m) and a deck 81 ft wide.

Who owns N3020 (mac Arthur) over S.H. 152 under?

It is owned by the State Highway Agency.