US Bridges

NE 36th Street over Fourmile Creek

Fair

Polk County, Iowa · 080241201 · Structure no. 000000000281991

Built
1990
35 years old, rebuilt 2017
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
164 ft
3 main spans
Daily traffic
3,156
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

NE 36th Street over Fourmile Creek is a prestressed concrete stringer/multi-beam or girder carrying NE 36th Street over Fourmile Creek in Polk County, Iowa. It was built in 1990 and reconstructed in 2017, 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 3,156 vehicles a day, projected to reach 3,156 by 2042. The structure is 164 ft (50 m) long and 72 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNE 36th Street
CrossesFourmile Creek
Location080241201
RouteCity Street 0
StateIowa
Coordinates41.76086, -93.5908
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating77.4 US tons
Inventory rating42.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length164 ft (50 m)
Longest span61 ft (18.6 m)
Deck width72 ft (21.8 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,156 (2022)
Projected traffic3,156 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 36th Street over Fourmile Creek built?

It was built in 1990, making it 35 years old in 2025. It was reconstructed in 2017.

What condition is NE 36th Street over Fourmile 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 May 2023.

How much traffic does NE 36th Street over Fourmile Creek carry?

About 3,156 vehicles per day (2022 count).

How long is NE 36th Street over Fourmile Creek?

The structure is 164 ft (50 m) long with a longest span of 61 ft (18.6 m) and a deck 72 ft wide.

Who owns NE 36th Street over Fourmile Creek?

It is owned by the City or Municipal Highway Agency.