US Bridges

Echo Valley RD over Unamed CR

PoorPosted for load

Fayette County, Iowa · 094072003 · Structure no. 000000000152010

Built
1964
61 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
78
2022 count
Owner
County
County Highway Agency

About this bridge

Echo Valley RD over Unamed CR is a steel stringer/multi-beam or girder carrying Echo Valley RD over Unamed CR in Fayette County, Iowa. It was built in 1964, so it is 61 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 78 vehicles a day, projected to reach 78 by 2043. The structure is 26 ft (7.9 m) long and 22 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesEcho Valley RD
CrossesUnamed CR
Location094072003
RouteCounty Highway 0
CountyFayette County
StateIowa
Coordinates42.93878, -91.68965
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
Deck7 GoodSome minor problems.
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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78 (2022)
Projected traffic78 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$34,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Echo Valley RD over Unamed CR built?

It was built in 1964, making it 61 years old in 2025.

What condition is Echo Valley RD 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 Echo Valley RD over Unamed CR carry?

About 78 vehicles per day (2022 count).

How long is Echo Valley RD over Unamed CR?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 22 ft wide.

Who owns Echo Valley RD over Unamed CR?

It is owned by the County Highway Agency.