US Bridges

Adair Madison Ave over Stream

Good

Madison County, Iowa · 076290602 · Structure no. 000000000234291

Built
2015
10 years old
Condition
Good
inspected August 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
57 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

Adair Madison Ave over Stream is a steel stringer/multi-beam or girder carrying Adair Madison Ave over Stream in Madison County, Iowa. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 50 by 2043. The structure is 57 ft (17.4 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesAdair Madison Ave
CrossesStream
Location076290602
RouteCounty Highway 0
CountyMadison County
StateIowa
Coordinates41.40588, -94.24136
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.2 US tons
Inventory rating58.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length57 ft (17.4 m)
Longest span54 ft (16.5 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2043
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 Adair Madison Ave over Stream built?

It was built in 2015, making it 10 years old in 2025.

What condition is Adair Madison Ave over Stream 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 August 2021.

How much traffic does Adair Madison Ave over Stream carry?

About 50 vehicles per day (2022 count).

How long is Adair Madison Ave over Stream?

The structure is 57 ft (17.4 m) long with a longest span of 54 ft (16.5 m) and a deck 24 ft wide.

Who owns Adair Madison Ave over Stream?

It is owned by the County Highway Agency.