US Bridges

Ia 376 Ramp over Drainage

Good

Woodbury County, Iowa · 0.1 Mi. N of SR D12 · Structure no. 000000000608835

Built
2001
24 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
1,560
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 376 Ramp over Drainage is a concrete continuous culvert carrying Ia 376 Ramp over Drainage in Woodbury County, Iowa. It was built in 2001, so it is 24 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 1,560 vehicles a day, roughly 1% of them trucks, projected to reach 1,560 by 2044. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIa 376 Ramp
CrossesDrainage
Location0.1 Mi. N of SR D12
RouteState Highway 376
StateIowa
Coordinates42.54964, -96.3467
Functional classUrban Other Principal Arterial

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.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
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 rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,560 (2022)
Projected traffic1,560 by 2044
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ia 376 Ramp over Drainage built?

It was built in 2001, making it 24 years old in 2025.

What condition is Ia 376 Ramp over Drainage 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 2024.

How much traffic does Ia 376 Ramp over Drainage carry?

About 1,560 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Ia 376 Ramp over Drainage?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).

Who owns Ia 376 Ramp over Drainage?

It is owned by the State Highway Agency.