US Bridges

N4400 over Creek

PoorPosted for load

Mayes County, Oklahoma · Wyandotte St. in Locgro · Structure no. 111780000000000

Built
1950
75 years old
Condition
Poor
inspected March 2023
Type
Slab
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
950
2022 count
Owner
County
County Highway Agency

About this bridge

N4400 over Creek is a concrete continuous slab carrying N4400 over Creek in Mayes County, Oklahoma. It was built in 1950, so it is 75 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 950 vehicles a day, roughly 10% of them trucks, projected to reach 1,520 by 2042. The structure is 23 ft (7 m) long and 20 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesN4400
CrossesCreek
LocationWyandotte St. in Locgro
RouteCounty Highway N4400
Coordinates36.19973, -95.17229
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating24 US tons
Inventory rating14.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width20 ft (6 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2022)
Projected traffic1,520 by 2042
Trucks10%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$230,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4400 over Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is N4400 over Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does N4400 over Creek carry?

About 950 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4400 over Creek?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 20 ft wide.

Who owns N4400 over Creek?

It is owned by the County Highway Agency.