N2020 over Creek

Good

Beckham County, Oklahoma · 1W .6N of Retrop · Structure no. 269800000000000

Built: 2001; 24 years old
Condition: Good; inspected March 2024
Type: Arch - Deck; Steel
Length: 21 ft; 2 main spans
Daily traffic: 25; 2022 count
Owner: County; County Highway Agency

About this bridge

N2020 over Creek is a steel arch - deck carrying N2020 over Creek in Beckham County, Oklahoma. It was built in 2001, so it is 24 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2042. The structure is 21 ft (6.4 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps

CarriesN2020

CrossesCreek

Location1W .6N of Retrop

RouteCounty Highway N2020

CountyBeckham County

StateOklahoma

Coordinates35.16972, -99.37778

Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

Component	Rating	Meaning
Superstructure	7 Good	Some minor problems.
Substructure	7 Good	Some minor problems.
Channel and channel protection	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.

Last inspectionMarch 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry9: Superior to present desirable criteria

Waterway adequacy6: Equal to present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating36 US tons

Inventory rating21.1 US tons

Structure

Structure typeArch - Deck

MaterialSteel

DeckNot applicable

Main spans2

Design loadUnknown

Structure length21 ft (6.4 m)

Longest span10 ft (3 m)

Deck width40 ft (12.2 m)

Roadway width40 ft (12.2 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)

Projected traffic40 by 2042

Trucks10%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed3.7 mi (6 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency

Maintained byCounty 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 N2020 over Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is N2020 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 March 2024.

How much traffic does N2020 over Creek carry?

About 25 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2020 over Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns N2020 over Creek?

It is owned by the County Highway Agency.