L Ave over Tipton Creek

Good

Hardin County, Iowa · 087212206 · Structure no. 000000000175701

Built: 2007; 18 years old
Condition: Good; inspected February 2023
Type: Slab; Concrete Continuous
Length: 125 ft; 3 main spans
Daily traffic: 5; 2022 count
Owner: County; County Highway Agency

About this bridge

L Ave over Tipton Creek is a concrete continuous slab carrying L Ave over Tipton Creek in Hardin County, Iowa. It was built in 2007, so it is 18 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 5 vehicles a day, projected to reach 5 by 2043. The structure is 125 ft (38.1 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesL Ave

CrossesTipton Creek

Location087212206

RouteCounty Highway 0

CountyHardin County

StateIowa

Coordinates42.33377, -93.27257

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.

Component	Rating	Meaning
Deck	8 Very Good	No problems noted.
Superstructure	8 Very Good	No problems noted.
Substructure	8 Very Good	No problems noted.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionFebruary 2023

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation8: Equal to present desirable criteria

Deck geometry7: Better than present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment7: Better than present minimum criteria

Operating rating97.6 US tons

Inventory rating58.3 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length125 ft (38.1 m)

Longest span50 ft (15.2 m)

Deck width33 ft (10.1 m)

Roadway width30 ft (9.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2022)

Projected traffic5 by 2043

Trucks0%

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 statusNot eligible for the National Register of Historic Places

Work proposedOther structural work, including hydraulic replacements

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was L Ave over Tipton Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is L Ave over Tipton 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 2023.

How much traffic does L Ave over Tipton Creek carry?

About 5 vehicles per day (2022 count).

How long is L Ave over Tipton Creek?

The structure is 125 ft (38.1 m) long with a longest span of 50 ft (15.2 m) and a deck 33 ft wide.

Who owns L Ave over Tipton Creek?

It is owned by the County Highway Agency.