US Bridges

Quincy Ave over Br Mill CR

PoorPosted for load

Cedar County, Iowa · 082021104 · Structure no. 000000000104600

Built
1925
100 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

Quincy Ave over Br Mill CR is a steel stringer/multi-beam or girder carrying Quincy Ave over Br Mill CR in Cedar County, Iowa. It was built in 1925, so it is 100 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 4 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 50 vehicles a day, projected to reach 50 by 2044. The structure is 27 ft (8.2 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesQuincy Ave
CrossesBr Mill CR
Location082021104
RouteCounty Highway 0
StateIowa
Coordinates41.92009, -91.05501
Functional classRural Minor Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating33.2 US tons
Inventory rating20.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width19 ft (5.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Quincy Ave over Br Mill CR built?

It was built in 1925, making it 100 years old in 2025.

What condition is Quincy Ave over Br Mill 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 May 2024.

How much traffic does Quincy Ave over Br Mill CR carry?

About 50 vehicles per day (2022 count).

How long is Quincy Ave over Br Mill CR?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 19 ft wide.

Who owns Quincy Ave over Br Mill CR?

It is owned by the County Highway Agency.