US Bridges

88th Ave over Mineral Creek

Good

Jones County, Iowa · 085022604 · Structure no. 000000000208101

Built
1995
30 years old
Condition
Good
inspected December 2023
Type
Arch - Deck
Concrete
Length
20 ft
1 main span
Daily traffic
16
2022 count
Owner
County
County Highway Agency

About this bridge

88th Ave over Mineral Creek is a concrete arch - deck carrying 88th Ave over Mineral Creek in Jones County, Iowa. It was built in 1995, so it is 30 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16 vehicles a day, projected to reach 16 by 2043. The structure is 20 ft (6.1 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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Carries88th Ave
CrossesMineral Creek
Location085022604
RouteCounty Highway 0
CountyJones County
StateIowa
Coordinates42.14992, -91.04884
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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16 (2022)
Projected traffic16 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 88th Ave over Mineral Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is 88th Ave over Mineral 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 88th Ave over Mineral Creek carry?

About 16 vehicles per day (2022 count).

How long is 88th Ave over Mineral Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 28 ft wide.

Who owns 88th Ave over Mineral Creek?

It is owned by the County Highway Agency.