US Bridges

N4609 (6830C) over Creek

Fair

Sequoyah County, Oklahoma · 7.1N of U.S. 64 · Structure no. 311190000000000

Built
2017
8 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
2,785
2022 count
Owner
County
County Highway Agency

About this bridge

N4609 (6830C) over Creek is a concrete culvert carrying N4609 (6830C) over Creek in Sequoyah County, Oklahoma. It was built in 2017, so it is 8 years old, younger 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 2,785 vehicles a day, roughly 15% of them trucks, projected to reach 3,077 by 2042. The structure is 44 ft (13.4 m) long and 82 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN4609 (6830C)
CrossesCreek
Location7.1N of U.S. 64
RouteCounty Highway 6830C
Coordinates35.55484, -94.80771
Functional classRural Major 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.2 US tons
Inventory rating29.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span14 ft (4.3 m)
Deck width82 ft (25 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,785 (2022)
Projected traffic3,077 by 2042
Trucks15%
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 proposedNone recorded
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4609 (6830C) over Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is N4609 (6830C) over Creek 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 June 2024.

How much traffic does N4609 (6830C) over Creek carry?

About 2,785 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N4609 (6830C) over Creek?

The structure is 44 ft (13.4 m) long with a longest span of 14 ft (4.3 m) and a deck 82 ft wide.

Who owns N4609 (6830C) over Creek?

It is owned by the County Highway Agency.