US Bridges

Juniper Road over Middle Silver Creek

Good

Pottawattamie County, Iowa · 076413501 · Structure no. 000000000288551

Built
2002
23 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
142 ft
3 main spans
Daily traffic
34
2022 count
Owner
County
County Highway Agency

About this bridge

Juniper Road over Middle Silver Creek is a prestressed concrete stringer/multi-beam or girder carrying Juniper Road over Middle Silver Creek in Pottawattamie County, Iowa. It was built in 2002, so it is 23 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 34 vehicles a day, projected to reach 34 by 2043. The structure is 142 ft (43.3 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesJuniper Road
CrossesMiddle Silver Creek
Location076413501
RouteCounty Highway 0
StateIowa
Coordinates41.34708, -95.53286
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 2023
Inspection intervalevery 48 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating41 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span51 ft (15.5 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2022)
Projected traffic34 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 Juniper Road over Middle Silver Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Juniper Road over Middle 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 Juniper Road over Middle Silver Creek carry?

About 34 vehicles per day (2022 count).

How long is Juniper Road over Middle Silver Creek?

The structure is 142 ft (43.3 m) long with a longest span of 51 ft (15.5 m) and a deck 27 ft wide.

Who owns Juniper Road over Middle Silver Creek?

It is owned by the County Highway Agency.