US Bridges

Forevergreen RD over I 380

Good

Johnson County, Iowa · 2 Mi. N of I-80 · Structure no. 000000000600431

Built
2017
8 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
285 ft
2 main spans
Daily traffic
2,027
2022 count
Owner
State
State Highway Agency

About this bridge

Forevergreen RD over I 380 is a prestressed concrete stringer/multi-beam or girder carrying Forevergreen RD over I 380 in Johnson 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 2,027 vehicles a day, roughly 2% of them trucks, projected to reach 2,027 by 2044. The structure is 285 ft (86.9 m) long and 90 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesForevergreen RD
CrossesI 380
Location2 Mi. N of I-80
RouteCity Street 0
StateIowa
Coordinates41.72357, -91.64264
Functional classUrban Minor Arterial

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.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length285 ft (86.9 m)
Longest span141 ft (43 m)
Deck width90 ft (27.4 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,027 (2022)
Projected traffic2,027 by 2044
Trucks2%
Lanes on structure5
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 Forevergreen RD over I 380 built?

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

What condition is Forevergreen RD over I 380 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 May 2024.

How much traffic does Forevergreen RD over I 380 carry?

About 2,027 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Forevergreen RD over I 380?

The structure is 285 ft (86.9 m) long with a longest span of 141 ft (43 m) and a deck 90 ft wide.

Who owns Forevergreen RD over I 380?

It is owned by the State Highway Agency.