US Bridges

113th ST over Hardin-Story Dd 1

Good

Story County, Iowa · 0.5 MI E 710 Ave · Structure no. 000000000315721

Built
2018
7 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

113th ST over Hardin-Story Dd 1 is a concrete culvert carrying 113th ST over Hardin-Story Dd 1 in Story County, Iowa. It was built in 2018, so it is 7 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 15 vehicles a day, projected to reach 15 by 2043. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries113th ST
CrossesHardin-Story Dd 1
Location0.5 MI E 710 Ave
RouteCounty Highway 0
CountyStory County
StateIowa
Coordinates42.19142, -93.27925
Functional classRural Minor Collector

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 inspectionNovember 2022
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 alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating54.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length28 ft (8.4 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 113th ST over Hardin-Story Dd 1 built?

It was built in 2018, making it 7 years old in 2025.

What condition is 113th ST over Hardin-Story Dd 1 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 November 2022.

How much traffic does 113th ST over Hardin-Story Dd 1 carry?

About 15 vehicles per day (2022 count).

How long is 113th ST over Hardin-Story Dd 1?

The structure is 28 ft (8.4 m) long with a longest span of 13 ft (3.9 m).

Who owns 113th ST over Hardin-Story Dd 1?

It is owned by the County Highway Agency.