US Bridges

Ia 7 over Prarie Creek Dd

Good

Buena Vista County, Iowa · 1.5 Mi. E of SR M54 · Structure no. 000000000016331

Built
2000
25 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
1,230
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 7 over Prarie Creek Dd is a prestressed concrete stringer/multi-beam or girder carrying Ia 7 over Prarie Creek Dd in Buena Vista County, Iowa. It was built in 2000, so it is 25 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 1,230 vehicles a day, roughly 23% of them trucks, projected to reach 1,230 by 2044. The structure is 83 ft (25.3 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesIa 7
CrossesPrarie Creek Dd
Location1.5 Mi. E of SR M54
RouteState Highway 7
CountyBuena Vista County
StateIowa
Coordinates42.58946, -94.96276
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating46.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span80 ft (24.4 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,230 (2022)
Projected traffic1,230 by 2044
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 7 over Prarie Creek Dd built?

It was built in 2000, making it 25 years old in 2025.

What condition is Ia 7 over Prarie Creek Dd 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 March 2024.

How much traffic does Ia 7 over Prarie Creek Dd carry?

About 1,230 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is Ia 7 over Prarie Creek Dd?

The structure is 83 ft (25.3 m) long with a longest span of 80 ft (24.4 m) and a deck 43 ft wide.

Who owns Ia 7 over Prarie Creek Dd?

It is owned by the State Highway Agency.