US Bridges

4th ST over Drainage Ditch

Good

Worth County, Iowa · .58 M S of Central Ave · Structure no. 000000000008801

Built
2014
11 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete Continuous
Length
81 ft
3 main spans
Daily traffic
187
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

4th ST over Drainage Ditch is a concrete continuous slab carrying 4th ST over Drainage Ditch in Worth 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 187 vehicles a day, projected to reach 187 by 2043. The structure is 81 ft (24.8 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries4th ST
CrossesDrainage Ditch
Location.58 M S of Central Ave
RouteCity Street 0
StateIowa
Coordinates43.43555, -93.22575
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating41.7 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length81 ft (24.8 m)
Longest span31 ft (9.4 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic187 (2022)
Projected traffic187 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
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 4th ST over Drainage Ditch built?

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

What condition is 4th ST 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 December 2023.

How much traffic does 4th ST over Drainage Ditch carry?

About 187 vehicles per day (2022 count).

How long is 4th ST over Drainage Ditch?

The structure is 81 ft (24.8 m) long with a longest span of 31 ft (9.4 m) and a deck 33 ft wide.

Who owns 4th ST over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.