US Bridges

SE 6th Ave over Trib to Mud Creek

Good

Polk County, Iowa · 078221001 · Structure no. 000000000364085

Built
2000
25 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
159
2022 count
Owner
County
County Highway Agency

About this bridge

SE 6th Ave over Trib to Mud Creek is a concrete continuous culvert carrying SE 6th Ave over Trib to Mud Creek 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 159 vehicles a day, roughly 16% of them trucks, projected to reach 159 by 2044. The structure is 21 ft (6.4 m) long.

CarriesSE 6th Ave
CrossesTrib to Mud Creek
Location078221001
RouteCounty Highway 0
StateIowa
Coordinates41.57987, -93.38299
Functional classRural Major 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 rating90.7 US tons
Inventory rating54.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic159 (2022)
Projected traffic159 by 2044
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 SE 6th Ave over Trib to Mud Creek built?

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

What condition is SE 6th Ave over Trib to Mud 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 April 2024.

How much traffic does SE 6th Ave over Trib to Mud Creek carry?

About 159 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is SE 6th Ave over Trib to Mud Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns SE 6th Ave over Trib to Mud Creek?

It is owned by the County Highway Agency.