US Bridges

Juniper RD over I-80

Good

Pottawattamie County, Iowa · 6.7 Mi. E of Jct. 6 · Structure no. 000000000045310

Built
1968
57 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
236 ft
4 main spans
Daily traffic
159
2022 count
Owner
State
State Highway Agency

About this bridge

Juniper RD over I-80 is a prestressed concrete stringer/multi-beam or girder carrying Juniper RD over I-80 in Pottawattamie County, Iowa. It was built in 1968, so it is 57 years old, older 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 159 vehicles a day, roughly 14% of them trucks, projected to reach 159 by 2043. The structure is 236 ft (71.9 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesJuniper RD
CrossesI-80
Location6.7 Mi. E of Jct. 6
RouteCounty Highway 0
StateIowa
Coordinates41.35038, -95.70259
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating66.9 US tons
Inventory rating27.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length236 ft (71.9 m)
Longest span73 ft (22.3 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic159 (2022)
Projected traffic159 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Juniper RD over I-80 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Juniper RD over I-80 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 July 2023.

How much traffic does Juniper RD over I-80 carry?

About 159 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Juniper RD over I-80?

The structure is 236 ft (71.9 m) long with a longest span of 73 ft (22.3 m) and a deck 31 ft wide.

Who owns Juniper RD over I-80?

It is owned by the State Highway Agency.