US Bridges

Grain RD over Stream

Good

Clayton County, Iowa · T92 R4W SEC5 · Structure no. 000000000118811

Built
2014
11 years old
Condition
Good
inspected December 2024
Type
Culvert
Steel
Length
23 ft
2 main spans
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

Grain RD over Stream is a steel culvert carrying Grain RD over Stream in Clayton County, Iowa. It was built in 2014, so it is 11 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 11 vehicles a day, projected to reach 11 by 2044. The structure is 23 ft (7 m) long.

CarriesGrain RD
CrossesStream
LocationT92 R4W SEC5
RouteCounty Highway 0
StateIowa
Coordinates42.81383, -91.33847
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckOther
Main spans2
Design loadOther
Structure length23 ft (7 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 traffic11 (2022)
Projected traffic11 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Grain RD over Stream built?

It was built in 2014, making it 11 years old in 2025.

What condition is Grain RD 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 December 2024.

How much traffic does Grain RD over Stream carry?

About 11 vehicles per day (2022 count).

How long is Grain RD over Stream?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns Grain RD over Stream?

It is owned by the County Highway Agency.