US Bridges

N2820 over Claridy Creek

FairPosted for load

Stephens County, Oklahoma · 2.6S of SH 7 · Structure no. 013420000000000

Built
1923
102 years old, rebuilt 1944
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
90 ft
4 main spans
Daily traffic
2,500
2022 count
Owner
County
County Highway Agency

About this bridge

N2820 over Claridy Creek is a concrete slab carrying N2820 over Claridy Creek in Stephens County, Oklahoma. It was built in 1923 and reconstructed in 1944, so it is 102 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 5 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 2,500 vehicles a day, roughly 10% of them trucks, projected to reach 4,000 by 2042. The structure is 90 ft (27.4 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN2820
CrossesClaridy Creek
Location2.6S of SH 7
RouteCounty Highway N2820
CountyStephens County
StateOklahoma
Coordinates34.45388, -97.96507
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
Deck7 GoodSome minor problems.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span22 ft (6.7 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2022)
Projected traffic4,000 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$480,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2820 over Claridy Creek built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1944.

What condition is N2820 over Claridy 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 July 2024.

How much traffic does N2820 over Claridy Creek carry?

About 2,500 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2820 over Claridy Creek?

The structure is 90 ft (27.4 m) long with a longest span of 22 ft (6.7 m) and a deck 27 ft wide.

Who owns N2820 over Claridy Creek?

It is owned by the County Highway Agency.