US Bridges

NE 38th Ave over Mud Creek

Good

Polk County, Iowa · 079222901 · Structure no. 000000000281111

Built
1986
39 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
284
2023 count
Owner
County
County Highway Agency

About this bridge

NE 38th Ave over Mud Creek is a concrete continuous slab carrying NE 38th Ave over Mud Creek in Polk County, Iowa. It was built in 1986, so it is 39 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 284 vehicles a day, roughly 13% of them trucks, projected to reach 284 by 2044. The structure is 112 ft (34.1 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNE 38th Ave
CrossesMud Creek
Location079222901
RouteCounty Highway 0
StateIowa
Coordinates41.62964, -93.4278
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating70.4 US tons
Inventory rating42.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span44 ft (13.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic284 (2023)
Projected traffic284 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 38th Ave over Mud Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is NE 38th Ave over 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 September 2024.

How much traffic does NE 38th Ave over Mud Creek carry?

About 284 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is NE 38th Ave over Mud Creek?

The structure is 112 ft (34.1 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.

Who owns NE 38th Ave over Mud Creek?

It is owned by the County Highway Agency.