S27 over Tipton Creek

Good

Hardin County, Iowa · 087220202 · Structure no. 000000000175791

Built: 2021; 4 years old
Condition: Good; inspected February 2023
Type: Slab; Concrete Continuous
Length: 111 ft; 3 main spans
Daily traffic: 285; 2022 count
Owner: County; County Highway Agency

About this bridge

S27 over Tipton Creek is a concrete continuous slab carrying S27 over Tipton Creek in Hardin County, Iowa. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 285 vehicles a day, roughly 33% of them trucks, projected to reach 285 by 2043. The structure is 111 ft (33.8 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesS27

CrossesTipton Creek

Location087220202

RouteCounty Highway 0

CountyHardin County

StateIowa

Coordinates42.38071, -93.38574

Functional classRural Major Collector

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	9 Excellent	No problems noted.
Superstructure	9 Excellent	No problems noted.
Substructure	9 Excellent	No problems noted.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionFebruary 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation8: Equal to present desirable criteria

Deck geometry6: Equal to present minimum criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating46.4 US tons

Inventory rating35.7 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHL 93

Structure length111 ft (33.8 m)

Longest span43 ft (13.1 m)

Deck width33 ft (10.1 m)

Roadway width31 ft (9.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic285 (2022)

Projected traffic285 by 2043

Trucks33%

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 S27 over Tipton Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is S27 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 S27 over Tipton Creek carry?

About 285 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is S27 over Tipton Creek?

The structure is 111 ft (33.8 m) long with a longest span of 43 ft (13.1 m) and a deck 33 ft wide.

Who owns S27 over Tipton Creek?

It is owned by the County Highway Agency.