US Bridges

NE 80th ST over Spring Creek

Fair

Polk County, Iowa · 079223202 · Structure no. 000000000281121

Built
1990
35 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
3,999
2023 count
Owner
County
County Highway Agency

About this bridge

NE 80th ST over Spring Creek is a prestressed concrete tee beam carrying NE 80th ST over Spring 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 3,999 vehicles a day, roughly 5% of them trucks, projected to reach 3,999 by 2044. The structure is 46 ft (14 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNE 80th ST
CrossesSpring Creek
Location079223202
RouteCounty Highway 0
StateIowa
Coordinates41.60543, -93.44484
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.4 US tons
Inventory rating29.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span46 ft (14 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,999 (2023)
Projected traffic3,999 by 2044
Trucks5%
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 Spring Creek built?

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

What condition is NE 80th ST over Spring 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 Spring Creek carry?

About 3,999 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is NE 80th ST over Spring Creek?

The structure is 46 ft (14 m) long with a longest span of 46 ft (14 m) and a deck 40 ft wide.

Who owns NE 80th ST over Spring Creek?

It is owned by the County Highway Agency.