US Bridges

Echo Ave over Nicholson Creek

Good

Cedar County, Iowa · 080041104 · Structure no. 000000000103212

Built
1960
65 years old, rebuilt 1991
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
11
2021 count
Owner
County
County Highway Agency

About this bridge

Echo Ave over Nicholson Creek is a steel stringer/multi-beam or girder carrying Echo Ave over Nicholson Creek in Cedar County, Iowa. It was built in 1960 and reconstructed in 1991, so it is 65 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11 vehicles a day, projected to reach 11 by 2044. The structure is 50 ft (15.2 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesEcho Ave
CrossesNicholson Creek
Location080041104
RouteCounty Highway 0
StateIowa
Coordinates41.74811, -91.28733
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.4 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2021)
Projected traffic11 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Echo Ave over Nicholson Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1991.

What condition is Echo Ave over Nicholson Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Echo Ave over Nicholson Creek carry?

About 11 vehicles per day (2021 count).

How long is Echo Ave over Nicholson Creek?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 28 ft wide.

Who owns Echo Ave over Nicholson Creek?

It is owned by the County Highway Agency.