US Bridges

IRR E1570 over Rock Creek

Good

Le Flore County, Oklahoma · .9S of Talihina · Structure no. 002760000000000

Built
1997
28 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
3 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

IRR E1570 over Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR E1570 over Rock Creek in Le Flore County, Oklahoma. It was built in 1997, so it is 28 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 10% of them trucks, projected to reach 320 by 2042. The structure is 135 ft (41.1 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIRR E1570
CrossesRock Creek
Location.9S of Talihina
RouteCounty Highway E1570
Coordinates34.73887, -95.0499
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 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 rating81 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span55 ft (16.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic320 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$596,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR E1570 over Rock Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is IRR E1570 over Rock Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does IRR E1570 over Rock Creek carry?

About 200 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IRR E1570 over Rock Creek?

The structure is 135 ft (41.1 m) long with a longest span of 55 ft (16.8 m) and a deck 28 ft wide.

Who owns IRR E1570 over Rock Creek?

It is owned by the County Highway Agency.