US Bridges

N4615 over Jake Hollow Creek

PoorPosted for load

Adair County, Oklahoma · 2.7N 5E of SH 100 · Structure no. 129120000000000

Built
1953
72 years old
Condition
Poor
inspected July 2023
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

N4615 over Jake Hollow Creek is a concrete culvert carrying N4615 over Jake Hollow Creek in Adair County, Oklahoma. It was built in 1953, so it is 72 years old, older 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. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 10% of them trucks, projected to reach 240 by 2042. The structure is 37 ft (11.3 m) long and 26 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesN4615
CrossesJake Hollow Creek
Location2.7N 5E of SH 100
RouteCounty Highway N4615
CountyAdair County
StateOklahoma
Coordinates35.80242, -94.79871
Functional classRural Local

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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating34.4 US tons
Inventory rating20.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length37 ft (11.3 m)
Longest span8 ft (2.4 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic240 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 N4615 over Jake Hollow Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is N4615 over Jake Hollow 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 July 2023.

How much traffic does N4615 over Jake Hollow Creek carry?

About 150 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4615 over Jake Hollow Creek?

The structure is 37 ft (11.3 m) long with a longest span of 8 ft (2.4 m) and a deck 26 ft wide.

Who owns N4615 over Jake Hollow Creek?

It is owned by the County Highway Agency.