US Bridges

N4060 over Little Cane Cr.Trib.

PoorPosted for load

Okmulgee County, Oklahoma · 1.0 W 2.5 S SH16&MSK C/L · Structure no. 045050000000000

Built
1935
90 years old
Condition
Poor
inspected September 2024
Type
Slab
Concrete Continuous
Length
69 ft
6 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N4060 over Little Cane Cr.Trib. is a concrete continuous slab carrying N4060 over Little Cane Cr.Trib. in Okmulgee 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 poor condition with a lowest component rating of 3 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 69 ft (21 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN4060
CrossesLittle Cane Cr.Trib.
Location1.0 W 2.5 S SH16&MSK C/L
RouteCounty Highway N4060
Coordinates35.70333, -95.78416
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating14.1 US tons
Inventory rating8.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length69 ft (21 m)
Longest span11 ft (3.4 m)
Deck width27 ft (8.3 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$416,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4060 over Little Cane Cr.Trib. built?

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

What condition is N4060 over Little Cane Cr.Trib. 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 September 2024.

How much traffic does N4060 over Little Cane Cr.Trib. carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4060 over Little Cane Cr.Trib.?

The structure is 69 ft (21 m) long with a longest span of 11 ft (3.4 m) and a deck 27 ft wide.

Who owns N4060 over Little Cane Cr.Trib.?

It is owned by the County Highway Agency.