US Bridges

N4440 over Bayou Manard

Fair

Cherokee County, Oklahoma · 1. E 0.5 N of Musk CO Cor · Structure no. 092840000000000

Built
1991
34 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
1 main span
Daily traffic
138
2022 count
Owner
County
County Highway Agency

About this bridge

N4440 over Bayou Manard is a steel stringer/multi-beam or girder carrying N4440 over Bayou Manard in Cherokee County, Oklahoma. It was built in 1991, so it is 34 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 138 vehicles a day, roughly 15% of them trucks, projected to reach 221 by 2042. The structure is 82 ft (25 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN4440
CrossesBayou Manard
Location1. E 0.5 N of Musk CO Cor
RouteCounty Highway N4440
CountyCherokee County
StateOklahoma
Coordinates35.81966, -95.10951
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length82 ft (25 m)
Longest span78 ft (23.8 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic138 (2022)
Projected traffic221 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$457,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4440 over Bayou Manard built?

It was built in 1991, making it 34 years old in 2025.

What condition is N4440 over Bayou Manard 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 August 2023.

How much traffic does N4440 over Bayou Manard carry?

About 138 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N4440 over Bayou Manard?

The structure is 82 ft (25 m) long with a longest span of 78 ft (23.8 m) and a deck 25 ft wide.

Who owns N4440 over Bayou Manard?

It is owned by the County Highway Agency.