US Bridges

EB US 30 over Over Cic RR

Fair

Linn County, Iowa · 0.8 Mi. W of Jct. I-380 · Structure no. 000000000604180

Built
1979
46 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
399 ft
5 main spans
Daily traffic
15,750
2022 count
Owner
State
State Highway Agency

About this bridge

EB US 30 over Over Cic RR is a prestressed concrete stringer/multi-beam or girder carrying EB US 30 over Over Cic RR in Linn County, Iowa. It was built in 1979, so it is 46 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 6 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 15,750 vehicles a day, roughly 10% of them trucks, projected to reach 15,750 by 2042. The structure is 399 ft (121.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesEB US 30
CrossesOver Cic RR
Location0.8 Mi. W of Jct. I-380
RouteU.S. Route 30
CountyLinn County
StateIowa
Coordinates41.92987, -91.68379
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.7 US tons
Inventory rating42.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length399 ft (121.6 m)
Longest span81 ft (24.7 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,750 (2022)
Projected traffic15,750 by 2042
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 EB US 30 over Over Cic RR built?

It was built in 1979, making it 46 years old in 2025.

What condition is EB US 30 over Over Cic 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 May 2023.

How much traffic does EB US 30 over Over Cic RR carry?

About 15,750 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is EB US 30 over Over Cic RR?

The structure is 399 ft (121.6 m) long with a longest span of 81 ft (24.7 m) and a deck 43 ft wide.

Who owns EB US 30 over Over Cic RR?

It is owned by the State Highway Agency.