US Bridges

T28 Hickory Ave over Turtle Creek

Good

Mitchell County, Iowa · United States · Structure no. 000000000248611

Built
2013
12 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
33
2022 count
Owner
County
County Highway Agency

About this bridge

T28 Hickory Ave over Turtle Creek is a concrete continuous culvert carrying T28 Hickory Ave over Turtle Creek in Mitchell County, Iowa. It was built in 2013, so it is 12 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 33 vehicles a day, projected to reach 33 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesT28 Hickory Ave
CrossesTurtle Creek
LocationUnited States
RouteCounty Highway 0
StateIowa
Coordinates43.40496, -92.89048
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 protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating50 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 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 traffic33 (2022)
Projected traffic33 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 T28 Hickory Ave over Turtle Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is T28 Hickory Ave over Turtle 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 December 2023.

How much traffic does T28 Hickory Ave over Turtle Creek carry?

About 33 vehicles per day (2022 count).

How long is T28 Hickory Ave over Turtle Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns T28 Hickory Ave over Turtle Creek?

It is owned by the County Highway Agency.