US Bridges

Co. Rd. N3020 over Bailey a Tp (I-44) under

Fair

McClain County, Oklahoma · T.P.BR.NO.01.72 · Structure no. 160530000000000

Built
1964
61 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
159 ft
4 main spans
Daily traffic
5,000
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Co. Rd. N3020 over Bailey a Tp (I-44) under is a steel stringer/multi-beam or girder carrying Co. Rd. N3020 over Bailey a Tp (I-44) under in McClain County, Oklahoma. It was built in 1964, so it is 61 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 15% of them trucks, projected to reach 8,000 by 2042. The structure is 159 ft (48.5 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCo. Rd. N3020
CrossesBailey a Tp (I-44) under
LocationT.P.BR.NO.01.72
RouteCounty Highway N3020
CountyMcClain County
StateOklahoma
Coordinates35.27083, -97.61778
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.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.4 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length159 ft (48.5 m)
Longest span44 ft (13.4 m)
Deck width23 ft (7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2022)
Projected traffic8,000 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Co. Rd. N3020 over Bailey a Tp (I-44) under built?

It was built in 1964, making it 61 years old in 2025.

What condition is Co. Rd. N3020 over Bailey a Tp (I-44) 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 February 2023.

How much traffic does Co. Rd. N3020 over Bailey a Tp (I-44) under carry?

About 5,000 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Co. Rd. N3020 over Bailey a Tp (I-44) under?

The structure is 159 ft (48.5 m) long with a longest span of 44 ft (13.4 m) and a deck 23 ft wide.

Who owns Co. Rd. N3020 over Bailey a Tp (I-44) under?

It is owned by the State Toll Authority.