US Bridges

H Ave over Minerva Creek

Good

Hardin County, Iowa · 086211902 · Structure no. 000000000175071

Built
2013
12 years old
Condition
Good
inspected March 2022
Type
Tee Beam
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

H Ave over Minerva Creek is a prestressed concrete tee beam carrying H Ave over Minerva Creek in Hardin 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 26 vehicles a day, projected to reach 26 by 2043. The structure is 52 ft (15.9 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesH Ave
CrossesMinerva Creek
Location086211902
RouteCounty Highway 0
StateIowa
Coordinates42.25148, -93.34664
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2022
Inspection intervalevery 48 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length52 ft (15.9 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 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 H Ave over Minerva Creek built?

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

What condition is H Ave over Minerva 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 March 2022.

How much traffic does H Ave over Minerva Creek carry?

About 26 vehicles per day (2022 count).

How long is H Ave over Minerva Creek?

The structure is 52 ft (15.9 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns H Ave over Minerva Creek?

It is owned by the County Highway Agency.