US Bridges

Ia 7 over Maple Creek

Good

Cherokee County, Iowa · 1.2 Mi. E of Jct. Ia #3 · Structure no. 000000000019481

Built
1989
36 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
170 ft
4 main spans
Daily traffic
2,020
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 7 over Maple Creek is a concrete continuous slab carrying Ia 7 over Maple Creek in Cherokee County, Iowa. It was built in 1989, so it is 36 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 2,020 vehicles a day, roughly 15% of them trucks, projected to reach 2,020 by 2042. The structure is 170 ft (51.8 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIa 7
CrossesMaple Creek
Location1.2 Mi. E of Jct. Ia #3
RouteState Highway 7
CountyCherokee County
StateIowa
Coordinates42.73147, -95.44659
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating59 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span47 ft (14.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,020 (2022)
Projected traffic2,020 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Maple Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Ia 7 over Maple Creek 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 2023.

How much traffic does Ia 7 over Maple Creek carry?

About 2,020 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Ia 7 over Maple Creek?

The structure is 170 ft (51.8 m) long with a longest span of 47 ft (14.3 m) and a deck 43 ft wide.

Who owns Ia 7 over Maple Creek?

It is owned by the State Highway Agency.