US Bridges

Noble Ave over Spring Creek

Fair

Howard County, Iowa · 097121704 · Structure no. 000000000181810

Built
1941
84 years old, rebuilt 1991
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
48 ft
2 main spans
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

Noble Ave over Spring Creek is a wood or timber stringer/multi-beam or girder carrying Noble Ave over Spring Creek in Howard County, Iowa. It was built in 1941 and reconstructed in 1991, so it is 84 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 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 11 vehicles a day, projected to reach 11 by 2043. The structure is 48 ft (14.6 m) long and 18 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesNoble Ave
CrossesSpring Creek
Location097121704
RouteCounty Highway 0
CountyHoward County
StateIowa
Coordinates43.21573, -92.28826
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span24 ft (7.3 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2043
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 Noble Ave over Spring Creek built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1991.

What condition is Noble Ave over Spring 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 May 2023.

How much traffic does Noble Ave over Spring Creek carry?

About 11 vehicles per day (2022 count).

How long is Noble Ave over Spring Creek?

The structure is 48 ft (14.6 m) long with a longest span of 24 ft (7.3 m) and a deck 18 ft wide.

Who owns Noble Ave over Spring Creek?

It is owned by the County Highway Agency.