US Bridges

Douglas Ave over Little Wapsipinicon

Good

Howard County, Iowa · 098141504 · Structure no. 000000000182661

Built
2020
5 years old
Condition
Good
inspected April 2024
Type
Slab
Steel
Length
31 ft
1 main span
Daily traffic
69
2022 count
Owner
County
County Highway Agency

About this bridge

Douglas Ave over Little Wapsipinicon is a steel slab carrying Douglas Ave over Little Wapsipinicon in Howard County, Iowa. It was built in 2020, so it is 5 years old, younger 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 69 vehicles a day, projected to reach 69 by 2044. The structure is 31 ft (9.4 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesDouglas Ave
CrossesLittle Wapsipinicon
Location098141504
RouteCounty Highway 0
CountyHoward County
StateIowa
Coordinates43.31254, -92.48537
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71.8 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2022)
Projected traffic69 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Douglas Ave over Little Wapsipinicon built?

It was built in 2020, making it 5 years old in 2025.

What condition is Douglas Ave over Little Wapsipinicon 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 April 2024.

How much traffic does Douglas Ave over Little Wapsipinicon carry?

About 69 vehicles per day (2022 count).

How long is Douglas Ave over Little Wapsipinicon?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 25 ft wide.

Who owns Douglas Ave over Little Wapsipinicon?

It is owned by the County Highway Agency.