US Bridges

Little 4 MI Crk DR over E Four Mile Creek

Good

Polk County, Iowa · 078230400 · Structure no. 000000000504845

Built
2004
21 years old
Condition
Good
inspected June 2021
Type
Culvert
Steel
Length
52 ft
5 main spans
Daily traffic
2,740
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Little 4 MI Crk DR over E Four Mile Creek is a steel culvert carrying Little 4 MI Crk DR over E Four Mile Creek in Polk County, Iowa. It was built in 2004, so it is 21 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 2,740 vehicles a day, projected to reach 2,740 by 2043. The structure is 52 ft (15.9 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLittle 4 MI Crk DR
CrossesE Four Mile Creek
Location078230400
RouteCity Street 0
StateIowa
Coordinates41.60062, -93.52115
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20
Structure length52 ft (15.9 m)
Longest span8 ft (2.4 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,740 (2022)
Projected traffic2,740 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Little 4 MI Crk DR over E Four Mile Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Little 4 MI Crk DR over E Four Mile 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 June 2021.

How much traffic does Little 4 MI Crk DR over E Four Mile Creek carry?

About 2,740 vehicles per day (2022 count).

How long is Little 4 MI Crk DR over E Four Mile Creek?

The structure is 52 ft (15.9 m) long with a longest span of 8 ft (2.4 m) and a deck 30 ft wide.

Who owns Little 4 MI Crk DR over E Four Mile Creek?

It is owned by the City or Municipal Highway Agency.