US Bridges

SE 80th ST over Drainage Ditch

Fair

Polk County, Iowa · 078220610 · Structure no. 000000000280580

Built
1967
58 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
3,674
2023 count
Owner
County
County Highway Agency

About this bridge

SE 80th ST over Drainage Ditch is a steel stringer/multi-beam or girder carrying SE 80th ST over Drainage Ditch in Polk County, Iowa. It was built in 1967, so it is 58 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 3,674 vehicles a day, projected to reach 3,674 by 2044. The structure is 44 ft (13.4 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSE 80th ST
CrossesDrainage Ditch
Location078220610
RouteCounty Highway 0
CountyPolk County
StateIowa
Coordinates41.58116, -93.44319
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span43 ft (13.1 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,674 (2023)
Projected traffic3,674 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 SE 80th ST over Drainage Ditch built?

It was built in 1967, making it 58 years old in 2025.

What condition is SE 80th ST over Drainage Ditch 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 SE 80th ST over Drainage Ditch carry?

About 3,674 vehicles per day (2023 count).

How long is SE 80th ST over Drainage Ditch?

The structure is 44 ft (13.4 m) long with a longest span of 43 ft (13.1 m) and a deck 31 ft wide.

Who owns SE 80th ST over Drainage Ditch?

It is owned by the County Highway Agency.