US Bridges

Monroe Ave over Stream

Good

Adair County, Iowa · 0.5 MI N of G35 on Monroe · Structure no. 000000000056801

Built
2019
6 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

Monroe Ave over Stream is a steel stringer/multi-beam or girder carrying Monroe Ave over Stream in Adair County, Iowa. It was built in 2019, so it is 6 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 30 vehicles a day, projected to reach 30 by 2043. The structure is 41 ft (12.6 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMonroe Ave
CrossesStream
Location0.5 MI N of G35 on Monroe
RouteCounty Highway 0
CountyAdair County
StateIowa
Coordinates41.38289, -94.46239
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 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 adequacy7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating73.6 US tons
Inventory rating44.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckSteel plate
Main spans1
Design loadHS 20
Structure length41 ft (12.6 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Monroe Ave over Stream built?

It was built in 2019, making it 6 years old in 2025.

What condition is Monroe 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 May 2024.

How much traffic does Monroe Ave over Stream carry?

About 30 vehicles per day (2022 count).

How long is Monroe Ave over Stream?

The structure is 41 ft (12.6 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns Monroe Ave over Stream?

It is owned by the County Highway Agency.