US Bridges

IRR E0520 over Carpenter Creek

Good

Pawnee County, Oklahoma · 2N .2W of Hallet · Structure no. 326130000000000

Built
2020
5 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

IRR E0520 over Carpenter Creek is a concrete culvert carrying IRR E0520 over Carpenter Creek in Pawnee County, Oklahoma. It was built in 2020, so it is 5 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIRR E0520
CrossesCarpenter Creek
Location2N .2W of Hallet
RouteCounty Highway E0520
Coordinates36.26083, -96.575
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
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 rating88.1 US tons
Inventory rating52.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic120 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 E0520 over Carpenter Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is IRR E0520 over Carpenter 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 July 2023.

How much traffic does IRR E0520 over Carpenter Creek carry?

About 75 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IRR E0520 over Carpenter Creek?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns IRR E0520 over Carpenter Creek?

It is owned by the County Highway Agency.