US Bridges

Monroe Ave over Floyd River Overflow

Good

O'Brien County, Iowa · 097422902 · Structure no. 000000000262241

Built
2020
5 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
83 ft
3 main spans
Daily traffic
518
2022 count
Owner
County
County Highway Agency

About this bridge

Monroe Ave over Floyd River Overflow is a concrete continuous slab carrying Monroe Ave over Floyd River Overflow in O'Brien County, Iowa. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 518 vehicles a day, roughly 11% of them trucks, projected to reach 518 by 2044. The structure is 83 ft (25.3 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMonroe Ave
CrossesFloyd River Overflow
Location097422902
RouteCounty Highway 0
StateIowa
Coordinates43.19711, -95.84239
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length83 ft (25.3 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 traffic518 (2022)
Projected traffic518 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Monroe Ave over Floyd River Overflow built?

It was built in 2020, making it 5 years old in 2025.

What condition is Monroe Ave over Floyd River Overflow 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 June 2024.

How much traffic does Monroe Ave over Floyd River Overflow carry?

About 518 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Monroe Ave over Floyd River Overflow?

The structure is 83 ft (25.3 m) long with a longest span of 31 ft (9.4 m) and a deck 33 ft wide.

Who owns Monroe Ave over Floyd River Overflow?

It is owned by the County Highway Agency.