N0530 over Creek

Good

Cimarron County, Oklahoma · .5E .6S of Sturgis · Structure no. 256040000000000

Built: 1999; 26 years old
Condition: Good; inspected October 2023
Type: Culvert; Concrete
Length: 65 ft; 4 main spans
Daily traffic: 25; 2022 count
Owner: County; County Highway Agency

About this bridge

N0530 over Creek is a concrete culvert carrying N0530 over Creek in Cimarron County, Oklahoma. It was built in 1999, so it is 26 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 65 ft (19.8 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesN0530

CrossesCreek

Location.5E .6S of Sturgis

RouteCounty Highway N0530

CountyCimarron County

StateOklahoma

Coordinates36.88403, -102.06432

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
Channel and channel protection	4 Poor	Advanced section loss, deterioration, spalling or scour.
Culvert	7 Good	Some minor problems.

Last inspectionOctober 2023

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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy7: Better than present minimum 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 spans4

Design loadHS 20

Structure length65 ft (19.8 m)

Longest span15 ft (4.6 m)

Deck width26 ft (7.9 m)

Roadway width23 ft (7 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 closed5 mi (8 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 N0530 over Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is N0530 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 October 2023.

How much traffic does N0530 over Creek carry?

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

How long is N0530 over Creek?

The structure is 65 ft (19.8 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns N0530 over Creek?

It is owned by the County Highway Agency.