US Bridges

IRR N4680 over Five Mile Creek Trib.

Poor

Ottawa County, Oklahoma · 1.1N of I-44 · Structure no. 298990000000000

Built
2010
15 years old
Condition
Poor
inspected September 2023
Type
Culvert
Concrete
Length
20 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

IRR N4680 over Five Mile Creek Trib. is a concrete culvert carrying IRR N4680 over Five Mile Creek Trib. in Ottawa County, Oklahoma. It was built in 2010, so it is 15 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 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.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 20 ft (6.2 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesIRR N4680
CrossesFive Mile Creek Trib.
Location1.1N of I-44
RouteCounty Highway N4680
CountyOttawa County
StateOklahoma
Coordinates36.98583, -94.64611
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 protection8 Very GoodNo problems noted.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span6 ft (1.8 m)
Deck width43 ft (13.1 m)
Roadway width41 ft (12.5 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 closed11.2 mi (18 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$299,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR N4680 over Five Mile Creek Trib. built?

It was built in 2010, making it 15 years old in 2025.

What condition is IRR N4680 over Five Mile Creek 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 2023.

How much traffic does IRR N4680 over Five Mile Creek Trib. carry?

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

How long is IRR N4680 over Five Mile Creek Trib.?

The structure is 20 ft (6.2 m) long with a longest span of 6 ft (1.8 m) and a deck 43 ft wide.

Who owns IRR N4680 over Five Mile Creek Trib.?

It is owned by the County Highway Agency.