US Bridges

US 30 WB over UP RR

Good

Marshall County, Iowa · 1.0 Mile W of JCT SR T31 · Structure no. 000000000608295

Built
2001
24 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
179 ft
3 main spans
Daily traffic
7,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 30 WB over UP RR is a prestressed concrete stringer/multi-beam or girder carrying US 30 WB over UP RR in Marshall County, Iowa. It was built in 2001, so it is 24 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 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 7,500 vehicles a day, roughly 13% of them trucks, projected to reach 7,500 by 2043. The structure is 179 ft (54.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 30 WB
CrossesUP RR
Location1.0 Mile W of JCT SR T31
RouteU.S. Route 30
StateIowa
Coordinates42.00695, -92.84296
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
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 rating74.6 US tons
Inventory rating44.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length179 ft (54.6 m)
Longest span67 ft (20.4 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2023)
Projected traffic7,500 by 2043
Trucks13%
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 US 30 WB over UP RR built?

It was built in 2001, making it 24 years old in 2025.

What condition is US 30 WB over UP RR 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 February 2024.

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

About 7,500 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is US 30 WB over UP RR?

The structure is 179 ft (54.6 m) long with a longest span of 67 ft (20.4 m) and a deck 43 ft wide.

Who owns US 30 WB over UP RR?

It is owned by the State Highway Agency.