US Bridges

NE 54th ST over Br of Four MI CR

Good

Polk County, Iowa · 080240103 · Structure no. 000000000281971

Built
2019
6 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
71 ft
3 main spans
Daily traffic
643
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

NE 54th ST over Br of Four MI CR is a concrete continuous slab carrying NE 54th ST over Br of Four MI CR in Polk County, Iowa. It was built in 2019, so it is 6 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 643 vehicles a day, roughly 6% of them trucks, projected to reach 643 by 2044. The structure is 71 ft (21.6 m) long and 52 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNE 54th ST
CrossesBr of Four MI CR
Location080240103
RouteCity Street 0
StateIowa
Coordinates41.7768, -93.58595
Functional classUrban 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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length71 ft (21.6 m)
Longest span28 ft (8.5 m)
Deck width52 ft (15.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic643 (2022)
Projected traffic643 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 NE 54th ST over Br of Four MI CR built?

It was built in 2019, making it 6 years old in 2025.

What condition is NE 54th ST over Br of Four MI CR 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 NE 54th ST over Br of Four MI CR carry?

About 643 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is NE 54th ST over Br of Four MI CR?

The structure is 71 ft (21.6 m) long with a longest span of 28 ft (8.5 m) and a deck 52 ft wide.

Who owns NE 54th ST over Br of Four MI CR?

It is owned by the City or Municipal Highway Agency.