US Bridges

N2520 (fas 0228) over Creek

Poor

Alfalfa County, Oklahoma · 4.1W of 0238C · Structure no. 206320000000000

Built
1984
41 years old
Condition
Poor
inspected February 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

N2520 (fas 0228) over Creek is a concrete culvert carrying N2520 (fas 0228) over Creek in Alfalfa County, Oklahoma. It was built in 1984, so it is 41 years old, younger 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.

It carries about 50 vehicles a day, roughly 15% of them trucks, projected to reach 80 by 2042. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN2520 (fas 0228)
CrossesCreek
Location4.1W of 0238C
RouteCounty Highway N2520
CountyAlfalfa County
StateOklahoma
Coordinates36.6671, -98.52249
Functional classRural Major Collector

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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2520 (fas 0228) over Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is N2520 (fas 0228) 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 February 2024.

How much traffic does N2520 (fas 0228) over Creek carry?

About 50 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N2520 (fas 0228) over Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns N2520 (fas 0228) over Creek?

It is owned by the County Highway Agency.