US Bridges

Army Post RD over Nature Trail & Ck

Good

Polk County, Iowa · 078243600 · Structure no. 000000000040701

Built
2015
10 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
121
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Army Post RD over Nature Trail & Ck is a concrete culvert carrying Army Post RD over Nature Trail & Ck in Polk 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 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 121 vehicles a day, roughly 3% of them trucks, projected to reach 121 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesArmy Post RD
CrossesNature Trail & Ck
Location078243600
RouteCity Street 0
StateIowa
Coordinates41.52656, -93.69367
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
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length21 ft (6.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121 (2022)
Projected traffic121 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed5 mi (8 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 Army Post RD over Nature Trail & Ck built?

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

What condition is Army Post RD over Nature Trail & Ck 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 July 2023.

How much traffic does Army Post RD over Nature Trail & Ck carry?

About 121 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Army Post RD over Nature Trail & Ck?

The structure is 21 ft (6.4 m) long with a longest span of 12 ft (3.7 m).

Who owns Army Post RD over Nature Trail & Ck?

It is owned by the City or Municipal Highway Agency.