US Bridges

Boy Scout RD over Mid. Fk Little Maquoketa

Good

Dubuque County, Iowa · 090E13503 · Structure no. 000000000147881

Built
2006
19 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
120
2021 count
Owner
County
County Highway Agency

About this bridge

Boy Scout RD over Mid. Fk Little Maquoketa is a prestressed concrete stringer/multi-beam or girder carrying Boy Scout RD over Mid. Fk Little Maquoketa in Dubuque County, Iowa. It was built in 2006, so it is 19 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 120 vehicles a day, roughly 28% of them trucks, projected to reach 120 by 2043. The structure is 112 ft (34.1 m) long and 33 ft wide.

CarriesBoy Scout RD
CrossesMid. Fk Little Maquoketa
Location090E13503
RouteCounty Highway 0
StateIowa
Coordinates42.56751, -90.81281
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99.8 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span110 ft (33.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2021)
Projected traffic120 by 2043
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Boy Scout RD over Mid. Fk Little Maquoketa built?

It was built in 2006, making it 19 years old in 2025.

What condition is Boy Scout RD over Mid. Fk Little Maquoketa 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 2023.

How much traffic does Boy Scout RD over Mid. Fk Little Maquoketa carry?

About 120 vehicles per day (2021 count), of which roughly 28% are trucks.

How long is Boy Scout RD over Mid. Fk Little Maquoketa?

The structure is 112 ft (34.1 m) long with a longest span of 110 ft (33.5 m) and a deck 33 ft wide.

Who owns Boy Scout RD over Mid. Fk Little Maquoketa?

It is owned by the County Highway Agency.