US Bridges

Iowa Speedway DR over Carson Creek

Good

Jasper County, Iowa · 000000000 · Structure no. 000000000505455

Built
2005
20 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
304
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Iowa Speedway DR over Carson Creek is a concrete continuous culvert carrying Iowa Speedway DR over Carson Creek in Jasper County, Iowa. It was built in 2005, so it is 20 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 304 vehicles a day, projected to reach 304 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIowa Speedway DR
CrossesCarson Creek
Location000000000
RouteCity Street 0
CountyJasper County
StateIowa
Coordinates41.67513, -93.0039
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating102.5 US tons
Inventory rating61.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic304 (2022)
Projected traffic304 by 2043
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Iowa Speedway DR over Carson Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Iowa Speedway DR over Carson 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 August 2023.

How much traffic does Iowa Speedway DR over Carson Creek carry?

About 304 vehicles per day (2022 count).

How long is Iowa Speedway DR over Carson Creek?

The structure is 23 ft (7 m) long with a longest span of 12 ft (3.7 m).

Who owns Iowa Speedway DR over Carson Creek?

It is owned by the City or Municipal Highway Agency.