US Bridges

Echo Valley Rd. over Unamed Creek

Fair

Fayette County, Iowa · 094071504 · Structure no. 000000000152001

Built
1990
35 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
39 ft
2 main spans
Daily traffic
78
2022 count
Owner
County
County Highway Agency

About this bridge

Echo Valley Rd. over Unamed Creek is a steel culvert carrying Echo Valley Rd. over Unamed Creek in Fayette County, Iowa. It was built in 1990, so it is 35 years old, younger 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 6 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 78 vehicles a day, projected to reach 78 by 2043. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesEcho Valley Rd.
CrossesUnamed Creek
Location094071504
RouteCounty Highway 0
CountyFayette County
StateIowa
Coordinates42.95105, -91.65258
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Echo Valley Rd. over Unamed Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Echo Valley Rd. over Unamed 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 2023.

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

About 78 vehicles per day (2022 count).

How long is Echo Valley Rd. over Unamed Creek?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Echo Valley Rd. over Unamed Creek?

It is owned by the County Highway Agency.