US Bridges

NE 102nd Ave over Four Mile Creek

Good

Polk County, Iowa · NE 24th Ct over 4 Mile CR · Structure no. 000000000281841

Built
2017
8 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
151 ft
3 main spans
Daily traffic
152
2023 count
Owner
County
County Highway Agency

About this bridge

NE 102nd Ave over Four Mile Creek is a prestressed concrete stringer/multi-beam or girder carrying NE 102nd Ave over Four Mile Creek in Polk County, Iowa. It was built in 2017, so it is 8 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 152 vehicles a day, projected to reach 152 by 2043. The structure is 151 ft (46.1 m) long and 33 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNE 102nd Ave
CrossesFour Mile Creek
LocationNE 24th Ct over 4 Mile CR
RouteCounty Highway 0
StateIowa
Coordinates41.74629, -93.57261
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length151 ft (46.1 m)
Longest span55 ft (16.8 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic152 (2023)
Projected traffic152 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 102nd Ave over Four Mile Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is NE 102nd Ave over Four Mile Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does NE 102nd Ave over Four Mile Creek carry?

About 152 vehicles per day (2023 count).

How long is NE 102nd Ave over Four Mile Creek?

The structure is 151 ft (46.1 m) long with a longest span of 55 ft (16.8 m) and a deck 33 ft wide.

Who owns NE 102nd Ave over Four Mile Creek?

It is owned by the County Highway Agency.