US Bridges

Stoffel RD over Stream

Good

Dubuque County, Iowa · 087001E2303 · Structure no. 000000000366390

Built
2018
7 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
118
2022 count
Owner
County
County Highway Agency

About this bridge

Stoffel RD over Stream is a concrete slab carrying Stoffel RD over Stream in Dubuque County, Iowa. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 118 vehicles a day, projected to reach 118 by 2044. The structure is 32 ft (9.8 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesStoffel RD
CrossesStream
Location087001E2303
RouteCounty Highway 0
StateIowa
Coordinates42.32621, -90.8079
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating47.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic118 (2022)
Projected traffic118 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Stoffel RD over Stream built?

It was built in 2018, making it 7 years old in 2025.

What condition is Stoffel RD over Stream 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 March 2024.

How much traffic does Stoffel RD over Stream carry?

About 118 vehicles per day (2022 count).

How long is Stoffel RD over Stream?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns Stoffel RD over Stream?

It is owned by the County Highway Agency.