US Bridges

N4300 over Little Pryor Creek

FairPosted for load

Rogers County, Oklahoma · 0.8 MI S of E0330 · Structure no. 107100000000000

Built
1947
78 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
101 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N4300 over Little Pryor Creek is a concrete stringer/multi-beam or girder carrying N4300 over Little Pryor Creek in Rogers County, Oklahoma. It was built in 1947, so it is 78 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. 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 101 ft (30.8 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN4300
CrossesLittle Pryor Creek
Location0.8 MI S of E0330
RouteCounty Highway N4300
Coordinates36.52841, -95.34562
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating33.4 US tons
Inventory rating20.1 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span40 ft (12.2 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 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 closed3.7 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$511,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4300 over Little Pryor Creek built?

It was built in 1947, making it 78 years old in 2025.

What condition is N4300 over Little Pryor 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 June 2023.

How much traffic does N4300 over Little Pryor Creek carry?

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

How long is N4300 over Little Pryor Creek?

The structure is 101 ft (30.8 m) long with a longest span of 40 ft (12.2 m) and a deck 23 ft wide.

Who owns N4300 over Little Pryor Creek?

It is owned by the County Highway Agency.