US Bridges

N2820 over Dry Creek

FairPosted for load

Garfield County, Oklahoma · .3E.3N3E2.9S of Drummond · Structure no. 099740000000000

Built
1942
83 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
3 main spans
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

N2820 over Dry Creek is a steel stringer/multi-beam or girder carrying N2820 over Dry Creek in Garfield County, Oklahoma. It was built in 1942, so it is 83 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 24 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2042. The structure is 58 ft (17.7 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN2820
CrossesDry Creek
Location.3E.3N3E2.9S of Drummond
RouteCounty Highway N2820
Coordinates36.26226, -97.97909
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating19 US tons
Inventory rating11 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans3
Design loadUnknown
Structure length58 ft (17.7 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic38 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$380,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2820 over Dry Creek built?

It was built in 1942, making it 83 years old in 2025.

What condition is N2820 over Dry 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 2024.

How much traffic does N2820 over Dry Creek carry?

About 24 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2820 over Dry Creek?

The structure is 58 ft (17.7 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns N2820 over Dry Creek?

It is owned by the County Highway Agency.