US Bridges

Rooster LN over Side Ditch Bridge

FairPosted for load

Dubuque County, Iowa · 0.1 Mi. N of Ia 32 · Structure no. 000000000023970

Built
1965
60 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
10
2023 count
Owner
State
State Highway Agency

About this bridge

Rooster LN over Side Ditch Bridge is a steel stringer/multi-beam or girder carrying Rooster LN over Side Ditch Bridge in Dubuque County, Iowa. It was built in 1965, so it is 60 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 10 by 2043. The structure is 26 ft (7.9 m) long and 19 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRooster LN
CrossesSide Ditch Bridge
Location0.1 Mi. N of Ia 32
RouteCounty Highway 0
CountyDubuque County
StateIowa
Coordinates42.54318, -90.69514
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.9 US tons
Inventory rating20.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic10 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rooster LN over Side Ditch Bridge built?

It was built in 1965, making it 60 years old in 2025.

What condition is Rooster LN over Side Ditch Bridge in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does Rooster LN over Side Ditch Bridge carry?

About 10 vehicles per day (2023 count).

How long is Rooster LN over Side Ditch Bridge?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 19 ft wide.

Who owns Rooster LN over Side Ditch Bridge?

It is owned by the State Highway Agency.