US Bridges

Ia 2 over Overflow

Good

Fremont County, Iowa · 1.6 Mi. W. of I-29 · Structure no. 000000000701160

Built
2022
3 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
8,000
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 2 over Overflow is a concrete continuous culvert carrying Ia 2 over Overflow in Fremont County, Iowa. It was built in 2022, so it is 3 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 8,000 vehicles a day, roughly 24% of them trucks, projected to reach 8,000 by 2042. The structure is 40 ft (12.1 m) long.

CarriesIa 2
CrossesOverflow
Location1.6 Mi. W. of I-29
RouteState Highway 2
StateIowa
Coordinates40.68935, -95.79903
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating53.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length40 ft (12.1 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 traffic8,000 (2022)
Projected traffic8,000 by 2042
Trucks24%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ia 2 over Overflow built?

It was built in 2022, making it 3 years old in 2025.

What condition is Ia 2 over 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 January 2023.

How much traffic does Ia 2 over Overflow carry?

About 8,000 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is Ia 2 over Overflow?

The structure is 40 ft (12.1 m) long with a longest span of 12 ft (3.7 m).

Who owns Ia 2 over Overflow?

It is owned by the State Highway Agency.