US Bridges

IRR E0060 over Tar Creek

Poor

Ottawa County, Oklahoma · 0.5 MI E of Commerce · Structure no. 248310000000000

Built
1996
29 years old
Condition
Poor
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
200 ft
4 main spans
Daily traffic
500
2022 count
Owner
County
County Highway Agency

About this bridge

IRR E0060 over Tar Creek is a prestressed concrete tee beam carrying IRR E0060 over Tar Creek in Ottawa County, Oklahoma. It was built in 1996, so it is 29 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 500 vehicles a day, roughly 10% of them trucks, projected to reach 800 by 2042. The structure is 200 ft (61 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesIRR E0060
CrossesTar Creek
Location0.5 MI E of Commerce
RouteCounty Highway E0060
Coordinates36.92904, -94.85923
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length200 ft (61 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic800 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$716,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR E0060 over Tar Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is IRR E0060 over Tar 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 September 2023.

How much traffic does IRR E0060 over Tar Creek carry?

About 500 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IRR E0060 over Tar Creek?

The structure is 200 ft (61 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns IRR E0060 over Tar Creek?

It is owned by the County Highway Agency.