US Bridges

Echo Valley Rd. over Otter Creek

Fair

Fayette County, Iowa · 094082103 · Structure no. 000000000152191

Built
1971
54 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
363
2022 count
Owner
County
County Highway Agency

About this bridge

Echo Valley Rd. over Otter Creek is a prestressed concrete stringer/multi-beam or girder carrying Echo Valley Rd. over Otter Creek in Fayette County, Iowa. It was built in 1971, so it is 54 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.

It carries about 363 vehicles a day, roughly 10% of them trucks, projected to reach 363 by 2044. The structure is 71 ft (21.6 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesEcho Valley Rd.
CrossesOtter Creek
Location094082103
RouteCounty Highway 0
StateIowa
Coordinates42.94728, -91.79504
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating27.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length71 ft (21.6 m)
Longest span68 ft (20.7 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic363 (2022)
Projected traffic363 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Echo Valley Rd. over Otter Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Echo Valley Rd. over Otter Creek 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 October 2024.

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

About 363 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Echo Valley Rd. over Otter Creek?

The structure is 71 ft (21.6 m) long with a longest span of 68 ft (20.7 m) and a deck 30 ft wide.

Who owns Echo Valley Rd. over Otter Creek?

It is owned by the County Highway Agency.