US Bridges

NE 118th Ave over Branch Skunk River

Good

Polk County, Iowa · 080220301 · Structure no. 000000000281581

Built
2000
25 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
45
2021 count
Owner
County
County Highway Agency

About this bridge

NE 118th Ave over Branch Skunk River is a concrete continuous culvert carrying NE 118th Ave over Branch Skunk River in Polk County, Iowa. It was built in 2000, so it is 25 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 45 vehicles a day, projected to reach 45 by 2044. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesNE 118th Ave
CrossesBranch Skunk River
Location080220301
RouteCounty Highway 0
StateIowa
Coordinates41.77667, -93.39625
Functional classRural Minor 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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.7 US tons
Inventory rating37.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 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 traffic45 (2021)
Projected traffic45 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 118th Ave over Branch Skunk River built?

It was built in 2000, making it 25 years old in 2025.

What condition is NE 118th Ave over Branch Skunk 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 April 2024.

How much traffic does NE 118th Ave over Branch Skunk River carry?

About 45 vehicles per day (2021 count).

How long is NE 118th Ave over Branch Skunk River?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).

Who owns NE 118th Ave over Branch Skunk River?

It is owned by the County Highway Agency.