US Bridges

Fallow Ave over Nine Mile Creek Branch

Good

Adair County, Iowa · 0.6 MI N of G35 on Fallow · Structure no. 000000000057231

Built
2018
7 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
21
2022 count
Owner
County
County Highway Agency

About this bridge

Fallow Ave over Nine Mile Creek Branch is a steel stringer/multi-beam or girder carrying Fallow Ave over Nine Mile Creek Branch in Adair County, Iowa. It was built in 2018, so it is 7 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 21 vehicles a day, projected to reach 21 by 2043. The structure is 55 ft (16.7 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFallow Ave
CrossesNine Mile Creek Branch
Location0.6 MI N of G35 on Fallow
RouteCounty Highway 0
StateIowa
Coordinates41.38307, -94.60463
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.
Superstructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72.5 US tons
Inventory rating55.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length55 ft (16.7 m)
Longest span54 ft (16.5 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2022)
Projected traffic21 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Fallow Ave over Nine Mile Creek Branch built?

It was built in 2018, making it 7 years old in 2025.

What condition is Fallow Ave over Nine Mile Creek Branch 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 Fallow Ave over Nine Mile Creek Branch carry?

About 21 vehicles per day (2022 count).

How long is Fallow Ave over Nine Mile Creek Branch?

The structure is 55 ft (16.7 m) long with a longest span of 54 ft (16.5 m) and a deck 24 ft wide.

Who owns Fallow Ave over Nine Mile Creek Branch?

It is owned by the County Highway Agency.