US Bridges

Elmtree Road over Stream

Good

Pottawattamie County, Iowa · 075412603 · Structure no. 000000000286311

Built
2018
7 years old
Condition
Good
inspected June 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
1 main span
Daily traffic
29
2022 count
Owner
County
County Highway Agency

About this bridge

Elmtree Road over Stream is a steel stringer/multi-beam or girder carrying Elmtree Road over Stream in Pottawattamie County, Iowa. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 29 vehicles a day, projected to reach 29 by 2043. The structure is 100 ft (30.5 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesElmtree Road
CrossesStream
Location075412603
RouteCounty Highway 0
CountyPottawattamie County
StateIowa
Coordinates41.27103, -95.52189
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 48 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span99 ft (30.2 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2022)
Projected traffic29 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Elmtree Road over Stream built?

It was built in 2018, making it 7 years old in 2025.

What condition is Elmtree Road 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 June 2021.

How much traffic does Elmtree Road over Stream carry?

About 29 vehicles per day (2022 count).

How long is Elmtree Road over Stream?

The structure is 100 ft (30.5 m) long with a longest span of 99 ft (30.2 m) and a deck 24 ft wide.

Who owns Elmtree Road over Stream?

It is owned by the County Highway Agency.