US Bridges

US 20 EB over UPRR

Good

Hardin County, Iowa · 1.5 Miles E of JCT SR S27 · Structure no. 000000000607435

Built
1999
26 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
212 ft
3 main spans
Daily traffic
4,650
2022 count
Owner
State
State Highway Agency

About this bridge

US 20 EB over UPRR is a prestressed concrete stringer/multi-beam or girder carrying US 20 EB over UPRR in Hardin County, Iowa. It was built in 1999, so it is 26 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 4,650 vehicles a day, roughly 30% of them trucks, projected to reach 4,650 by 2044. The structure is 212 ft (64.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 20 EB
CrossesUPRR
Location1.5 Miles E of JCT SR S27
RouteU.S. Route 20
StateIowa
Coordinates42.44812, -93.3576
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 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 rating81.5 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span69 ft (21 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,650 (2022)
Projected traffic4,650 by 2044
Trucks30%
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 20 EB over UPRR built?

It was built in 1999, making it 26 years old in 2025.

What condition is US 20 EB 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 April 2024.

How much traffic does US 20 EB over UPRR carry?

About 4,650 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is US 20 EB over UPRR?

The structure is 212 ft (64.6 m) long with a longest span of 69 ft (21 m) and a deck 43 ft wide.

Who owns US 20 EB over UPRR?

It is owned by the State Highway Agency.