US Bridges

Dogwood Ave over Platte River

Good

Union County, Iowa · 072311004 · Structure no. 000000000326092

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Slab
Steel
Length
60 ft
1 main span
Daily traffic
37
2023 count
Owner
County
County Highway Agency

About this bridge

Dogwood Ave over Platte River is a steel slab carrying Dogwood Ave over Platte River in Union County, Iowa. It was built in 2024, so it is 1 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 37 vehicles a day, projected to reach 37 by 2043. The structure is 60 ft (18.3 m) long and 25 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesDogwood Ave
CrossesPlatte River
Location072311004
RouteCounty Highway 0
StateIowa
Coordinates41.04833, -94.40437
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.8 US tons
Inventory rating36.5 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span59 ft (18 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37 (2023)
Projected traffic37 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Dogwood Ave over Platte River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Dogwood Ave over Platte River 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 October 2024.

How much traffic does Dogwood Ave over Platte River carry?

About 37 vehicles per day (2023 count).

How long is Dogwood Ave over Platte River?

The structure is 60 ft (18.3 m) long with a longest span of 59 ft (18 m) and a deck 25 ft wide.

Who owns Dogwood Ave over Platte River?

It is owned by the County Highway Agency.