US Bridges

Rosedale RD over Indian CR

PoorPosted for load

Linn County, Iowa · 083062002 · Structure no. 000000000220750

Built
1890
135 years old
Condition
Poor
inspected September 2024
Type
Truss - Thru
Aluminum, Wrought Iron, or Cast Iron
Length
105 ft
1 main span
Daily traffic
299
2021 count
Owner
County
County Highway Agency

About this bridge

Rosedale RD over Indian CR is a aluminum, wrought iron, or cast iron truss - thru carrying Rosedale RD over Indian CR in Linn County, Iowa. It was built in 1890, so it is 135 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 299 vehicles a day, projected to reach 299 by 2044. The structure is 105 ft (32 m) long and 14 ft wide.

Location

Open in Google Maps
CarriesRosedale RD
CrossesIndian CR
Location083062002
RouteCounty Highway 0
CountyLinn County
StateIowa
Coordinates41.98762, -91.57867
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating9.1 US tons
Inventory rating6.9 US tons

Structure

Structure typeTruss - Thru
MaterialAluminum, Wrought Iron, or Cast Iron
DeckWood or timber
Main spans1 (+1 approach)
Design loadHS 20
Structure length105 ft (32 m)
Longest span89 ft (27.1 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deck15 ft (4.4 m)

Traffic and service

Average daily traffic299 (2021)
Projected traffic299 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Rosedale RD over Indian CR built?

It was built in 1890, making it 135 years old in 2025.

What condition is Rosedale RD over Indian CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Rosedale RD over Indian CR carry?

About 299 vehicles per day (2021 count).

How long is Rosedale RD over Indian CR?

The structure is 105 ft (32 m) long with a longest span of 89 ft (27.1 m) and a deck 14 ft wide.

Who owns Rosedale RD over Indian CR?

It is owned by the County Highway Agency.