US Bridges

US 30 over UPRR

Good

Harrison County, Iowa · 0.8 Mi. E of JCT I-29 · Structure no. 000000000608110

Built
1998
27 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
243 ft
3 main spans
Daily traffic
10,300
2022 count
Owner
State
State Highway Agency

About this bridge

US 30 over UPRR is a steel continuous stringer/multi-beam or girder carrying US 30 over UPRR in Harrison County, Iowa. It was built in 1998, so it is 27 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 10,300 vehicles a day, roughly 12% of them trucks, projected to reach 10,300 by 2043. The structure is 243 ft (74.1 m) long and 47 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesUS 30
CrossesUPRR
Location0.8 Mi. E of JCT I-29
RouteU.S. Route 30
StateIowa
Coordinates41.55506, -95.90556
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.2 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length243 ft (74.1 m)
Longest span94 ft (28.7 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,300 (2022)
Projected traffic10,300 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.8 mi (11 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 UPRR built?

It was built in 1998, making it 27 years old in 2025.

What condition is US 30 over UPRR 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 July 2023.

How much traffic does US 30 over UPRR carry?

About 10,300 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US 30 over UPRR?

The structure is 243 ft (74.1 m) long with a longest span of 94 ft (28.7 m) and a deck 47 ft wide.

Who owns US 30 over UPRR?

It is owned by the State Highway Agency.