US Bridges

IRR N2470 over East Cache Creek

Good

Caddo County, Oklahoma · 1E 2.4N of S.H. 19 · Structure no. 311330000000000

Built
2017
8 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
165 ft
3 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

IRR N2470 over East Cache Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR N2470 over East Cache Creek in Caddo County, Oklahoma. It was built in 2017, so it is 8 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2042. The structure is 165 ft (50.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIRR N2470
CrossesEast Cache Creek
Location1E 2.4N of S.H. 19
RouteCounty Highway N2470
Coordinates34.94826, -98.58535
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.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length165 ft (50.3 m)
Longest span85 ft (25.9 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR N2470 over East Cache Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is IRR N2470 over East Cache 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 February 2024.

How much traffic does IRR N2470 over East Cache Creek carry?

About 50 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IRR N2470 over East Cache Creek?

The structure is 165 ft (50.3 m) long with a longest span of 85 ft (25.9 m) and a deck 28 ft wide.

Who owns IRR N2470 over East Cache Creek?

It is owned by the County Highway Agency.