US Bridges

Noble Ave over Branch Upper Iowa River

FairPosted for load

Howard County, Iowa · 100120804 · Structure no. 000000000183651

Built
1985
40 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
29 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Noble Ave over Branch Upper Iowa River is a wood or timber stringer/multi-beam or girder carrying Noble Ave over Branch Upper Iowa River in Howard County, Iowa. It was built in 1985, so it is 40 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. Its operating status is: posted for load restriction.

It carries about 26 vehicles a day, projected to reach 26 by 2044. The structure is 29 ft (8.8 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNoble Ave
CrossesBranch Upper Iowa River
Location100120804
RouteCounty Highway 0
CountyHoward County
StateIowa
Coordinates43.49908, -92.28856
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.4 US tons
Inventory rating19.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2044
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Noble Ave over Branch Upper Iowa River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Noble Ave over Branch Upper Iowa River 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 March 2024.

How much traffic does Noble Ave over Branch Upper Iowa River carry?

About 26 vehicles per day (2022 count).

How long is Noble Ave over Branch Upper Iowa River?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 24 ft wide.

Who owns Noble Ave over Branch Upper Iowa River?

It is owned by the County Highway Agency.