US Bridges

US 30 over Over UP RR

Fair

Carroll County, Iowa · 1.1 MI W of JCT US 71 · Structure no. 000000000017071

Built
1982
43 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
351 ft
3 main spans
Daily traffic
6,800
2022 count
Owner
State
State Highway Agency

About this bridge

US 30 over Over UP RR is a steel continuous stringer/multi-beam or girder carrying US 30 over Over UP RR in Carroll County, Iowa. It was built in 1982, so it is 43 years old, younger 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 6,800 vehicles a day, roughly 13% of them trucks, projected to reach 6,800 by 2043. The structure is 351 ft (107 m) long and 71 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesUS 30
CrossesOver UP RR
Location1.1 MI W of JCT US 71
RouteU.S. Route 30
CountyCarroll County
StateIowa
Coordinates42.07839, -94.89734
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating61 US tons
Inventory rating36.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length351 ft (107 m)
Longest span130 ft (39.6 m)
Deck width71 ft (21.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,800 (2022)
Projected traffic6,800 by 2043
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed11.2 mi (18 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 US 30 over Over UP RR built?

It was built in 1982, making it 43 years old in 2025.

What condition is US 30 over Over UP 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 December 2023.

How much traffic does US 30 over Over UP RR carry?

About 6,800 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is US 30 over Over UP RR?

The structure is 351 ft (107 m) long with a longest span of 130 ft (39.6 m) and a deck 71 ft wide.

Who owns US 30 over Over UP RR?

It is owned by the State Highway Agency.