US Bridges

Thrush Ave over Small Stream

Good

Franklin County, Iowa · 90192904 · Structure no. 000000000156411

Built
2013
12 years old
Condition
Good
inspected June 2022
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

Thrush Ave over Small Stream is a concrete culvert carrying Thrush Ave over Small Stream in Franklin County, Iowa. It was built in 2013, so it is 12 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 30 vehicles a day, projected to reach 30 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesThrush Ave
CrossesSmall Stream
Location90192904
RouteCounty Highway 0
CountyFranklin County
StateIowa
Coordinates42.57554, -93.12508
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed1.9 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Thrush Ave over Small Stream built?

It was built in 2013, making it 12 years old in 2025.

What condition is Thrush Ave over Small 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 June 2022.

How much traffic does Thrush Ave over Small Stream carry?

About 30 vehicles per day (2022 count).

How long is Thrush Ave over Small Stream?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m).

Who owns Thrush Ave over Small Stream?

It is owned by the County Highway Agency.