US Bridges

R Ave. over Unamed CR

PoorPosted for load

Fayette County, Iowa · 091091704 · Structure no. 000000000149660

Built
1917
108 years old
Condition
Poor
inspected October 2023
Type
Slab
Concrete
Length
53 ft
2 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

R Ave. over Unamed CR is a concrete slab carrying R Ave. over Unamed 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 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 20 vehicles a day, roughly 5% of them trucks, projected to reach 20 by 2043. The structure is 53 ft (16.2 m) long and 20 ft wide.

Location

Open in Google Maps
CarriesR Ave.
CrossesUnamed CR
Location091091704
RouteCounty Highway 0
CountyFayette County
StateIowa
Coordinates42.6898, -91.94307
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating8.9 US tons
Inventory rating6.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span26 ft (7.9 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 by 2043
Trucks5%
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$110,000
NavigationNo navigation control on waterway

Frequently asked questions

When was R Ave. over Unamed CR built?

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

What condition is R Ave. over Unamed 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 October 2023.

How much traffic does R Ave. over Unamed CR carry?

About 20 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is R Ave. over Unamed CR?

The structure is 53 ft (16.2 m) long with a longest span of 26 ft (7.9 m) and a deck 20 ft wide.

Who owns R Ave. over Unamed CR?

It is owned by the County Highway Agency.