US Bridges

Fengler ST over Over Imrl RR

Good

Dubuque County, Iowa · S. of Garfield · Structure no. 000000000004251

Built
2002
23 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
164 ft
3 main spans
Daily traffic
7,692
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Fengler ST over Over Imrl RR is a prestressed concrete stringer/multi-beam or girder carrying Fengler ST over Over Imrl RR in Dubuque County, Iowa. It was built in 2002, so it is 23 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 7,692 vehicles a day, projected to reach 7,692 by 2043. The structure is 164 ft (50 m) long and 49 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFengler ST
CrossesOver Imrl RR
LocationS. of Garfield
RouteCity Street 0
CountyDubuque County
StateIowa
Coordinates42.5193, -90.65787
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length164 ft (50 m)
Longest span77 ft (23.5 m)
Deck width49 ft (15 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,692 (2022)
Projected traffic7,692 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Fengler ST over Over Imrl RR built?

It was built in 2002, making it 23 years old in 2025.

What condition is Fengler ST over Over Imrl 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 August 2023.

How much traffic does Fengler ST over Over Imrl RR carry?

About 7,692 vehicles per day (2022 count).

How long is Fengler ST over Over Imrl RR?

The structure is 164 ft (50 m) long with a longest span of 77 ft (23.5 m) and a deck 49 ft wide.

Who owns Fengler ST over Over Imrl RR?

It is owned by the City or Municipal Highway Agency.