IRR N4250 over Timberly Creek

GoodPosted for load

McIntosh County, Oklahoma · 2.5E .5N of Rentiesville · Structure no. 294990000000000

Built: 2010; 15 years old
Condition: Good; inspected September 2023
Type: Culvert; Concrete
Length: 22 ft; 2 main spans
Daily traffic: 100; 2022 count
Owner: County; County Highway Agency

About this bridge

IRR N4250 over Timberly Creek is a concrete culvert carrying IRR N4250 over Timberly Creek in McIntosh County, Oklahoma. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesIRR N4250

CrossesTimberly Creek

Location2.5E .5N of Rentiesville

RouteCounty Highway N4250

CountyMcIntosh County

StateOklahoma

Coordinates35.52889, -95.45139

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	8 Very Good	No problems noted.
Culvert	8 Very Good	No problems noted.

Last inspectionSeptember 2023

Inspection intervalevery 24 months

Operating statusPosted for load restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Waterway adequacy6: Equal to present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating51 US tons

Inventory rating31 US tons

Structure

Structure typeCulvert

MaterialConcrete

DeckNot applicable

Main spans2

Design loadHS 20

Structure length22 ft (6.7 m)

Longest span10 ft (2.9 m)

Deck width0 ft (0 m)

Roadway width0 ft (0 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 closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength

Estimated improvement cost$644,000

NavigationNo navigation control on waterway

Frequently asked questions

When was IRR N4250 over Timberly Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is IRR N4250 over Timberly 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 September 2023.

How much traffic does IRR N4250 over Timberly Creek carry?

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

How long is IRR N4250 over Timberly Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (2.9 m).

Who owns IRR N4250 over Timberly Creek?

It is owned by the County Highway Agency.