US Bridges

I 380 NB over W-60 & Cric RR

Fair

Johnson County, Iowa · 7.4 Mi. N of Jct. I-80 · Structure no. 000000000600460

Built
1971
54 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
380 ft
4 main spans
Daily traffic
27,900
2023 count
Owner
State
State Highway Agency

About this bridge

I 380 NB over W-60 & Cric RR is a steel continuous stringer/multi-beam or girder carrying I 380 NB over W-60 & Cric RR in Johnson County, Iowa. It was built in 1971, so it is 54 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 27,900 vehicles a day, roughly 18% of them trucks, projected to reach 27,900 by 2043. The structure is 380 ft (115.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 380 NB
CrossesW-60 & Cric RR
Location7.4 Mi. N of Jct. I-80
RouteInterstate 380
CountyJohnson County
StateIowa
Coordinates41.8, -91.64631
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.3 US tons
Inventory rating32.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length380 ft (115.8 m)
Longest span111 ft (33.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,900 (2023)
Projected traffic27,900 by 2043
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 380 NB over W-60 & Cric RR built?

It was built in 1971, making it 54 years old in 2025.

What condition is I 380 NB over W-60 & Cric RR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does I 380 NB over W-60 & Cric RR carry?

About 27,900 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is I 380 NB over W-60 & Cric RR?

The structure is 380 ft (115.8 m) long with a longest span of 111 ft (33.8 m) and a deck 43 ft wide.

Who owns I 380 NB over W-60 & Cric RR?

It is owned by the State Highway Agency.