US Bridges

Echo Valley Rd. over Otter Creek

PoorPosted for load

Fayette County, Iowa · 094082207 · Structure no. 000000000152210

Built
1969
56 years old
Condition
Poor
inspected November 2023
Type
Truss - Thru
Steel
Length
83 ft
1 main span
Daily traffic
88
2022 count
Owner
County
County Highway Agency

About this bridge

Echo Valley Rd. over Otter Creek is a steel truss - thru carrying Echo Valley Rd. over Otter Creek in Fayette County, Iowa. It was built in 1969, so it is 56 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 88 vehicles a day, roughly 6% of them trucks, projected to reach 88 by 2043. The structure is 83 ft (25.3 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesEcho Valley Rd.
CrossesOtter Creek
Location094082207
RouteCounty Highway 0
StateIowa
Coordinates42.93864, -91.77327
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating19.8 US tons
Inventory rating9.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length83 ft (25.3 m)
Longest span80 ft (24.4 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88 (2022)
Projected traffic88 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Echo Valley Rd. over Otter Creek 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 Echo Valley Rd. over Otter Creek carry?

About 88 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Echo Valley Rd. over Otter Creek?

The structure is 83 ft (25.3 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 Creek?

It is owned by the County Highway Agency.