US Bridges

Boyscouts RD over Wapsipinicon River

Good

Linn County, Iowa · 085052003 · Structure no. 000000000221980

Built
1976
49 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
276 ft
4 main spans
Daily traffic
226
2022 count
Owner
County
County Highway Agency

About this bridge

Boyscouts RD over Wapsipinicon River is a prestressed concrete continuous stringer/multi-beam or girder carrying Boyscouts RD over Wapsipinicon River in Linn County, Iowa. It was built in 1976, so it is 49 years old, older 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 226 vehicles a day, roughly 15% of them trucks, projected to reach 226 by 2044. The structure is 276 ft (84.1 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBoyscouts RD
CrossesWapsipinicon River
Location085052003
RouteCounty Highway 0
StateIowa
Coordinates42.16497, -91.46207
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
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 alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating38.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length276 ft (84.1 m)
Longest span73 ft (22.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic226 (2022)
Projected traffic226 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Boyscouts RD over Wapsipinicon River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Boyscouts RD over Wapsipinicon River 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 September 2024.

How much traffic does Boyscouts RD over Wapsipinicon River carry?

About 226 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Boyscouts RD over Wapsipinicon River?

The structure is 276 ft (84.1 m) long with a longest span of 73 ft (22.3 m) and a deck 32 ft wide.

Who owns Boyscouts RD over Wapsipinicon River?

It is owned by the County Highway Agency.