US Bridges

Echo Valley Rd. over Otter CR

FairPosted for load

Fayette County, Iowa · 094073003 · Structure no. 000000000152061

Built
1974
51 years old
Condition
Fair
inspected November 2023
Type
Truss - Thru
Steel
Length
80 ft
1 main span
Daily traffic
78
2022 count
Owner
County
County Highway Agency

About this bridge

Echo Valley Rd. over Otter CR is a steel truss - thru carrying Echo Valley Rd. over Otter CR in Fayette County, Iowa. It was built in 1974, so it is 51 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 78 vehicles a day, projected to reach 78 by 2043. The structure is 80 ft (24.4 m) long and 20 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesEcho Valley Rd.
CrossesOtter CR
Location094073003
RouteCounty Highway 0
CountyFayette County
StateIowa
Coordinates42.93341, -91.71487
Functional classRural 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating13.8 US tons
Inventory rating9.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length80 ft (24.4 m)
Longest span80 ft (24.4 m)
Deck width20 ft (6.1 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Echo Valley Rd. over Otter CR built?

It was built in 1974, making it 51 years old in 2025.

What condition is Echo Valley Rd. over Otter CR 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 November 2023.

How much traffic does Echo Valley Rd. over Otter CR carry?

About 78 vehicles per day (2022 count).

How long is Echo Valley Rd. over Otter CR?

The structure is 80 ft (24.4 m) long with a longest span of 80 ft (24.4 m) and a deck 20 ft wide.

Who owns Echo Valley Rd. over Otter CR?

It is owned by the County Highway Agency.