US Bridges

M23 (410th St) over Stream

Good

Pottawattamie County, Iowa · 077401202 · Structure no. 000000000289871

Built
2012
13 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
32 ft
1 main span
Daily traffic
79
2022 count
Owner
County
County Highway Agency

About this bridge

M23 (410th St) over Stream is a concrete stringer/multi-beam or girder carrying M23 (410th St) over Stream in Pottawattamie County, Iowa. It was built in 2012, so it is 13 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 79 vehicles a day, projected to reach 79 by 2043. The structure is 32 ft (9.8 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesM23 (410th St)
CrossesStream
Location077401202
RouteCounty Highway 0
CountyPottawattamie County
StateIowa
Coordinates41.48171, -95.4029
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckOther
Main spans1
Design loadHL 93
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (2022)
Projected traffic79 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 M23 (410th St) over Stream built?

It was built in 2012, making it 13 years old in 2025.

What condition is M23 (410th St) over Stream 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 April 2024.

How much traffic does M23 (410th St) over Stream carry?

About 79 vehicles per day (2022 count).

How long is M23 (410th St) over Stream?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns M23 (410th St) over Stream?

It is owned by the County Highway Agency.