US Bridges

Acorn Ave over Fox River System

Good

Davis County, Iowa · 68150604 · Structure no. 000000000133961

Built
2015
10 years old
Condition
Good
inspected May 2024
Type
Slab
Steel Continuous
Length
90 ft
3 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

Acorn Ave over Fox River System is a steel continuous slab carrying Acorn Ave over Fox River System in Davis County, Iowa. It was built in 2015, so it is 10 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 20 vehicles a day, projected to reach 20 by 2044. The structure is 90 ft (27.4 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesAcorn Ave
CrossesFox River System
Location68150604
RouteCounty Highway 0
StateIowa
Coordinates40.71332, -92.62911
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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating32.7 US tons

Structure

Structure typeSlab
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length90 ft (27.4 m)
Longest span35 ft (10.7 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Acorn Ave over Fox River System built?

It was built in 2015, making it 10 years old in 2025.

What condition is Acorn Ave over Fox River System 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 May 2024.

How much traffic does Acorn Ave over Fox River System carry?

About 20 vehicles per day (2022 count).

How long is Acorn Ave over Fox River System?

The structure is 90 ft (27.4 m) long with a longest span of 35 ft (10.7 m) and a deck 25 ft wide.

Who owns Acorn Ave over Fox River System?

It is owned by the County Highway Agency.