US Bridges

N4300 over Creek

Fair

Mayes County, Oklahoma · 2.9 Miles S. SH-20 · Structure no. 249760000000000

Built
1996
29 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
87 ft
2 main spans
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

N4300 over Creek is a steel stringer/multi-beam or girder carrying N4300 over Creek in Mayes County, Oklahoma. It was built in 1996, so it is 29 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 5 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 87 ft (26.5 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN4300
CrossesCreek
Location2.9 Miles S. SH-20
RouteCounty Highway N4300
Coordinates36.2654, -95.34593
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating27.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length87 ft (26.5 m)
Longest span67 ft (20.3 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic120 by 2042
Trucks10%
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$474,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4300 over Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is N4300 over Creek 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 April 2023.

How much traffic does N4300 over Creek carry?

About 75 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4300 over Creek?

The structure is 87 ft (26.5 m) long with a longest span of 67 ft (20.3 m) and a deck 26 ft wide.

Who owns N4300 over Creek?

It is owned by the County Highway Agency.