US Bridges

CO RD J40 over Small Stream

Good

Davis County, Iowa · 069133005 · Structure no. 000000000364560

Built
1993
32 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
1,330
2022 count
Owner
County
County Highway Agency

About this bridge

CO RD J40 over Small Stream is a concrete continuous culvert carrying CO RD J40 over Small Stream in Davis County, Iowa. It was built in 1993, so it is 32 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 1,330 vehicles a day, projected to reach 1,330 by 2043. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCO RD J40
CrossesSmall Stream
Location069133005
RouteCounty Highway 0
CountyDavis County
StateIowa
Coordinates40.74984, -92.39647
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 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 rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,330 (2022)
Projected traffic1,330 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 CO RD J40 over Small Stream built?

It was built in 1993, making it 32 years old in 2025.

What condition is CO RD J40 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 May 2023.

How much traffic does CO RD J40 over Small Stream carry?

About 1,330 vehicles per day (2022 count).

How long is CO RD J40 over Small Stream?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns CO RD J40 over Small Stream?

It is owned by the County Highway Agency.