US Bridges

1st ST over Drainage Ditch

Good

Cerro Gordo County, Iowa · 0.1 MI S B65 · Structure no. 000000000011281

Built
2018
7 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
679
2022 count
Owner
County
County Highway Agency

About this bridge

1st ST over Drainage Ditch is a prestressed concrete stringer/multi-beam or girder carrying 1st ST over Drainage Ditch in Cerro Gordo County, Iowa. It was built in 2018, so it is 7 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 679 vehicles a day, projected to reach 679 by 2044. The structure is 77 ft (23.4 m) long and 33 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
Carries1st ST
CrossesDrainage Ditch
Location0.1 MI S B65
RouteCity Street 0
CountyCerro Gordo County
StateIowa
Coordinates42.94284, -93.37959
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.1 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length77 ft (23.4 m)
Longest span77 ft (23.4 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic679 (2022)
Projected traffic679 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 1st ST over Drainage Ditch built?

It was built in 2018, making it 7 years old in 2025.

What condition is 1st 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 February 2024.

How much traffic does 1st ST over Drainage Ditch carry?

About 679 vehicles per day (2022 count).

How long is 1st ST over Drainage Ditch?

The structure is 77 ft (23.4 m) long with a longest span of 77 ft (23.4 m) and a deck 33 ft wide.

Who owns 1st ST over Drainage Ditch?

It is owned by the County Highway Agency.