US Bridges

N4000 over Bell Creek Trib.

Fair

Tulsa County, Oklahoma · 4400 S. Memorial Dr. · Structure no. 191550000000000

Built
1976
49 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
24,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N4000 over Bell Creek Trib. is a concrete culvert carrying N4000 over Bell Creek Trib. in Tulsa County, Oklahoma. It was built in 1976, so it is 49 years old, older 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 24,000 vehicles a day, roughly 5% of them trucks, projected to reach 38,400 by 2042. The structure is 32 ft (9.9 m) long and 88 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN4000
CrossesBell Creek Trib.
Location4400 S. Memorial Dr.
RouteCity Street N4000
Coordinates36.09995, -95.88669
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span8 ft (2.4 m)
Deck width88 ft (26.8 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,000 (2022)
Projected traffic38,400 by 2042
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4000 over Bell Creek Trib. built?

It was built in 1976, making it 49 years old in 2025.

What condition is N4000 over Bell Creek Trib. 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 May 2024.

How much traffic does N4000 over Bell Creek Trib. carry?

About 24,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N4000 over Bell Creek Trib.?

The structure is 32 ft (9.9 m) long with a longest span of 8 ft (2.4 m) and a deck 88 ft wide.

Who owns N4000 over Bell Creek Trib.?

It is owned by the City or Municipal Highway Agency.