US Bridges

N2520 over W. Cache Creek Trib.

Good

Cotton County, Oklahoma · 0.5N;2.0W of U.S.281/S.H5 · Structure no. 284360000000000

Built
2007
18 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
48 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N2520 over W. Cache Creek Trib. is a concrete culvert carrying N2520 over W. Cache Creek Trib. in Cotton County, Oklahoma. It was built in 2007, so it is 18 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 48 ft (14.5 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN2520
CrossesW. Cache Creek Trib.
Location0.5N;2.0W of U.S.281/S.H5
RouteCounty Highway N2520
Coordinates34.36914, -98.48758
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length48 ft (14.5 m)
Longest span14 ft (4.4 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 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 closed1.2 mi (2 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$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2520 over W. Cache Creek Trib. built?

It was built in 2007, making it 18 years old in 2025.

What condition is N2520 over W. Cache Creek Trib. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does N2520 over W. Cache Creek Trib. carry?

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

How long is N2520 over W. Cache Creek Trib.?

The structure is 48 ft (14.5 m) long with a longest span of 14 ft (4.4 m) and a deck 36 ft wide.

Who owns N2520 over W. Cache Creek Trib.?

It is owned by the County Highway Agency.