US Bridges

NE 80th ST over Mud Creek

Fair

Polk County, Iowa · 079220804 · Structure no. 000000000281011

Built
1990
35 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
538
2023 count
Owner
County
County Highway Agency

About this bridge

NE 80th ST over Mud Creek is a concrete culvert carrying NE 80th ST over Mud Creek in Polk County, Iowa. It was built in 1990, so it is 35 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 538 vehicles a day, roughly 6% of them trucks, projected to reach 538 by 2044. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNE 80th ST
CrossesMud Creek
Location079220804
RouteCounty Highway 0
StateIowa
Coordinates41.6607, -93.44486
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 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 evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.2 US tons
Inventory rating41.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.2 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 traffic538 (2023)
Projected traffic538 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 80th ST over Mud Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is NE 80th ST over Mud Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does NE 80th ST over Mud Creek carry?

About 538 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is NE 80th ST over Mud Creek?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m).

Who owns NE 80th ST over Mud Creek?

It is owned by the County Highway Agency.