US Bridges

N4585 Kenwood over Dry Creek

Poor

Delaware County, Oklahoma · 12 NW of Colcord · Structure no. 316500000000000

Built
2015
10 years old
Condition
Poor
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
122 ft
2 main spans
Daily traffic
384
2022 count
Owner
County
County Highway Agency

About this bridge

N4585 Kenwood over Dry Creek is a prestressed concrete stringer/multi-beam or girder carrying N4585 Kenwood over Dry Creek in Delaware County, Oklahoma. It was built in 2015, so it is 10 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 384 vehicles a day, roughly 15% of them trucks, projected to reach 614 by 2042. The structure is 122 ft (37.2 m) long and 34 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

Open in Google Maps
CarriesN4585 Kenwood
CrossesDry Creek
Location12 NW of Colcord
RouteCounty Highway N4585
CountyDelaware County
StateOklahoma
Coordinates36.31722, -94.83611
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span60 ft (18.3 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic384 (2022)
Projected traffic614 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N4585 Kenwood over Dry Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is N4585 Kenwood over Dry Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2023.

How much traffic does N4585 Kenwood over Dry Creek carry?

About 384 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N4585 Kenwood over Dry Creek?

The structure is 122 ft (37.2 m) long with a longest span of 60 ft (18.3 m) and a deck 34 ft wide.

Who owns N4585 Kenwood over Dry Creek?

It is owned by the County Highway Agency.