US Bridges

IRR E0030 over Tar Creek

Fair

Ottawa County, Oklahoma · E0030N4560002 · Structure no. 151330000000000

Built
1960
65 years old, rebuilt 2020
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
163 ft
4 main spans
Daily traffic
500
2022 count
Owner
County
County Highway Agency

About this bridge

IRR E0030 over Tar Creek is a steel stringer/multi-beam or girder carrying IRR E0030 over Tar Creek in Ottawa County, Oklahoma. It was built in 1960 and reconstructed in 2020, so it is 65 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 500 vehicles a day, roughly 10% of them trucks, projected to reach 480 by 2042. The structure is 163 ft (49.7 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesIRR E0030
CrossesTar Creek
LocationE0030N4560002
RouteCounty Highway E0030
CountyOttawa County
StateOklahoma
Coordinates36.97256, -94.8461
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.2 US tons
Inventory rating48.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length163 ft (49.7 m)
Longest span42 ft (12.7 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic480 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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$642,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR E0030 over Tar Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2020.

What condition is IRR E0030 over Tar Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does IRR E0030 over Tar Creek carry?

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

How long is IRR E0030 over Tar Creek?

The structure is 163 ft (49.7 m) long with a longest span of 42 ft (12.7 m) and a deck 28 ft wide.

Who owns IRR E0030 over Tar Creek?

It is owned by the County Highway Agency.