N2770 over Creek

Good

Canadian County, Oklahoma · 3. E 3. S of Calumet · Structure no. 201170000000000

Built: 1982; 43 years old
Condition: Good; inspected October 2023
Type: Culvert; Concrete
Length: 45 ft; 3 main spans
Daily traffic: 100; 2022 count
Owner: County; County Highway Agency

About this bridge

N2770 over Creek is a concrete culvert carrying N2770 over Creek in Canadian County, Oklahoma. It was built in 1982, so it is 43 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 45 ft (13.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesN2770

CrossesCreek

Location3. E 3. S of Calumet

RouteCounty Highway N2770

CountyCanadian County

StateOklahoma

Coordinates35.54863, -98.06108

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	6 Satisfactory	Structural elements show some minor deterioration.
Culvert	7 Good	Some minor problems.

Last inspectionOctober 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; action required to protect exposed foundations

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

Deck geometry7: Better than present minimum criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment7: Better than present minimum criteria

Operating rating36 US tons

Inventory rating21.1 US tons

Structure

Structure typeCulvert

MaterialConcrete

DeckNot applicable

Main spans3

Design loadUnknown

Structure length45 ft (13.7 m)

Longest span17 ft (5.2 m)

Deck width30 ft (9.1 m)

Roadway width28 ft (8.5 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)

Projected traffic160 by 2042

Trucks10%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed1.9 mi (3 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 proposedWidening of existing bridge without deck rehabilitation

Estimated improvement cost$225,000

NavigationNo navigation control on waterway

Frequently asked questions

When was N2770 over Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is N2770 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 N2770 over Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2770 over Creek?

The structure is 45 ft (13.7 m) long with a longest span of 17 ft (5.2 m) and a deck 30 ft wide.

Who owns N2770 over Creek?

It is owned by the County Highway Agency.