US Bridges

N1610 over Cimarron River

Good

Beaver County, Oklahoma · 3.7N 3.2W 2.7N of Gate · Structure no. 256470000000000

Built
1992
33 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
503 ft
5 main spans
Daily traffic
70
2022 count
Owner
County
County Highway Agency

About this bridge

N1610 over Cimarron River is a prestressed concrete stringer/multi-beam or girder carrying N1610 over Cimarron River in Beaver County, Oklahoma. It was built in 1992, so it is 33 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 70 vehicles a day, roughly 10% of them trucks, projected to reach 112 by 2042. The structure is 503 ft (153.3 m) long and 29 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesN1610
CrossesCimarron River
Location3.7N 3.2W 2.7N of Gate
RouteCounty Highway N1470
Coordinates36.94427, -100.11557
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length503 ft (153.3 m)
Longest span100 ft (30.5 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2022)
Projected traffic112 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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$508,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N1610 over Cimarron River built?

It was built in 1992, making it 33 years old in 2025.

What condition is N1610 over Cimarron River 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 November 2023.

How much traffic does N1610 over Cimarron River carry?

About 70 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N1610 over Cimarron River?

The structure is 503 ft (153.3 m) long with a longest span of 100 ft (30.5 m) and a deck 29 ft wide.

Who owns N1610 over Cimarron River?

It is owned by the County Highway Agency.