US Bridges

IRR N4540 over Vian Creek

GoodPosted for load

Sequoyah County, Oklahoma · 3.5 MI E of Blackgum · Structure no. 134610000000000

Built
1955
70 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
63 ft
4 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

IRR N4540 over Vian Creek is a concrete culvert carrying IRR N4540 over Vian Creek in Sequoyah County, Oklahoma. It was built in 1955, so it is 70 years old, older 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 63 ft (19.2 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIRR N4540
CrossesVian Creek
Location3.5 MI E of Blackgum
RouteCounty Highway N4540
Coordinates35.60681, -94.93066
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 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36.3 US tons
Inventory rating21.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length63 ft (19.2 m)
Longest span17 ft (5.2 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 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 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 IRR N4540 over Vian Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is IRR N4540 over Vian 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 2023.

How much traffic does IRR N4540 over Vian Creek carry?

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

How long is IRR N4540 over Vian Creek?

The structure is 63 ft (19.2 m) long with a longest span of 17 ft (5.2 m) and a deck 32 ft wide.

Who owns IRR N4540 over Vian Creek?

It is owned by the County Highway Agency.