US Bridges

Eagle Rd. over Quinn CR

PoorPosted for load

Fayette County, Iowa · 095071904 · Structure no. 000000000152760

Built
1917
108 years old
Condition
Poor
inspected November 2023
Type
Truss - Thru
Steel
Length
87 ft
1 main span
Daily traffic
49
2022 count
Owner
County
County Highway Agency

About this bridge

Eagle Rd. over Quinn CR is a steel truss - thru carrying Eagle Rd. over Quinn CR in Fayette County, Iowa. It was built in 1917, so it is 108 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 49 vehicles a day, projected to reach 49 by 2043. The structure is 87 ft (26.5 m) long and 16 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesEagle Rd.
CrossesQuinn CR
Location095071904
RouteCounty Highway 0
StateIowa
Coordinates43.02994, -91.7242
Functional classRural 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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure4 PoorAdvanced section loss, deterioration, 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 inspectionNovember 2023
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.4 US tons
Inventory rating18.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length87 ft (26.5 m)
Longest span85 ft (25.9 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2022)
Projected traffic49 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Eagle Rd. over Quinn CR built?

It was built in 1917, making it 108 years old in 2025.

What condition is Eagle Rd. over Quinn 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 November 2023.

How much traffic does Eagle Rd. over Quinn CR carry?

About 49 vehicles per day (2022 count).

How long is Eagle Rd. over Quinn CR?

The structure is 87 ft (26.5 m) long with a longest span of 85 ft (25.9 m) and a deck 16 ft wide.

Who owns Eagle Rd. over Quinn CR?

It is owned by the County Highway Agency.