US Bridges

FM NE 80th ST over I-80

Fair

Polk County, Iowa · 2.8 Miles E of Jct. US 65 · Structure no. 000000000042080

Built
1959
66 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
4 main spans
Daily traffic
638
2022 count
Owner
State
State Highway Agency

About this bridge

FM NE 80th ST over I-80 is a prestressed concrete stringer/multi-beam or girder carrying FM NE 80th ST over I-80 in Polk County, Iowa. It was built in 1959, so it is 66 years old, older 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 638 vehicles a day, roughly 17% of them trucks, projected to reach 638 by 2042. The structure is 240 ft (73.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFM NE 80th ST
CrossesI-80
Location2.8 Miles E of Jct. US 65
RouteCounty Highway 0
CountyPolk County
StateIowa
Coordinates41.67164, -93.44378
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.9 US tons
Inventory rating21.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length240 ft (73.2 m)
Longest span71 ft (21.6 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic638 (2022)
Projected traffic638 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FM NE 80th ST over I-80 built?

It was built in 1959, making it 66 years old in 2025.

What condition is FM NE 80th ST over I-80 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 June 2023.

How much traffic does FM NE 80th ST over I-80 carry?

About 638 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is FM NE 80th ST over I-80?

The structure is 240 ft (73.2 m) long with a longest span of 71 ft (21.6 m) and a deck 28 ft wide.

Who owns FM NE 80th ST over I-80?

It is owned by the State Highway Agency.