US Bridges

Frelon Drive over Drainage Ditch

Good

Woodbury County, Iowa · 0.3 Mi. S of SR C80 · Structure no. 000000000607380

Built
1998
27 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
1,291
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Frelon Drive over Drainage Ditch is a concrete continuous culvert carrying Frelon Drive over Drainage Ditch in Woodbury County, Iowa. It was built in 1998, so it is 27 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 1,291 vehicles a day, projected to reach 1,291 by 2043. The structure is 21 ft (6.4 m) long.

CarriesFrelon Drive
CrossesDrainage Ditch
Location0.3 Mi. S of SR C80
RouteCity Street 0
StateIowa
Coordinates42.56173, -96.33356
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 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 traffic1,291 (2022)
Projected traffic1,291 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Frelon Drive over Drainage Ditch built?

It was built in 1998, making it 27 years old in 2025.

What condition is Frelon Drive over Drainage Ditch 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 April 2023.

How much traffic does Frelon Drive over Drainage Ditch carry?

About 1,291 vehicles per day (2022 count).

How long is Frelon Drive over Drainage Ditch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Frelon Drive over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.