US Bridges

N4740 over Creek

GoodPosted for load

Sequoyah County, Oklahoma · 0.2N of S.H. 101 · Structure no. 253710000000000

Built
1997
28 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
49 ft
3 main spans
Daily traffic
400
2022 count
Owner
County
County Highway Agency

About this bridge

N4740 over Creek is a concrete culvert carrying N4740 over Creek in Sequoyah County, Oklahoma. It was built in 1997, so it is 28 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. Its operating status is: posted for load restriction.

It carries about 400 vehicles a day, roughly 10% of them trucks, projected to reach 640 by 2042. The structure is 49 ft (14.9 m) long and 92 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesN4740
CrossesCreek
Location0.2N of S.H. 101
RouteCounty Highway N4740
Coordinates35.57583, -94.55692
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.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.6 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length49 ft (14.9 m)
Longest span15 ft (4.6 m)
Deck width92 ft (28 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic640 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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$889,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4740 over Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is N4740 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 June 2024.

How much traffic does N4740 over Creek carry?

About 400 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4740 over Creek?

The structure is 49 ft (14.9 m) long with a longest span of 15 ft (4.6 m) and a deck 92 ft wide.

Who owns N4740 over Creek?

It is owned by the County Highway Agency.