US Bridges

Elmtree Road over Little Silver Creek

Good

Pottawattamie County, Iowa · 075422501 · Structure no. 000000000286581

Built
2017
8 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
90 ft
3 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Elmtree Road over Little Silver Creek is a concrete stringer/multi-beam or girder carrying Elmtree Road over Little Silver Creek in Pottawattamie 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 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 26 vehicles a day, projected to reach 26 by 2043. The structure is 90 ft (27.4 m) long and 25 ft wide.

Location

Open in Google Maps
CarriesElmtree Road
CrossesLittle Silver Creek
Location075422501
RouteCounty Highway 0
CountyPottawattamie County
StateIowa
Coordinates41.2751, -95.63042
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
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckOther
Main spans3
Design loadHL 93
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Little Silver Creek built?

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

What condition is Elmtree Road over Little Silver 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 June 2023.

How much traffic does Elmtree Road over Little Silver Creek carry?

About 26 vehicles per day (2022 count).

How long is Elmtree Road over Little Silver Creek?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns Elmtree Road over Little Silver Creek?

It is owned by the County Highway Agency.