US Bridges

N1680 over Creek

Fair

Beckham County, Oklahoma · 6.5 W 7.2 N of Erick · Structure no. 042710000000000

Built
1935
90 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

N1680 over Creek is a concrete culvert carrying N1680 over Creek in Beckham County, Oklahoma. It was built in 1935, so it is 90 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.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2042. The structure is 21 ft (6.4 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesN1680
CrossesCreek
Location6.5 W 7.2 N of Erick
RouteCounty Highway N1680
Coordinates35.31609, -99.98268
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 N1680 over Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is N1680 over 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 May 2024.

How much traffic does N1680 over Creek carry?

About 50 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N1680 over Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns N1680 over Creek?

It is owned by the County Highway Agency.