US Bridges

Ia 70 over Goshen Ditch

Good

Muscatine County, Iowa · 0.5 Mi. N of Jct. SR F70 · Structure no. 000000000038181

Built
2007
18 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
2,660
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 70 over Goshen Ditch is a concrete continuous slab carrying Ia 70 over Goshen Ditch in Muscatine County, Iowa. It was built in 2007, so it is 18 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 2,660 vehicles a day, roughly 12% of them trucks, projected to reach 2,660 by 2043. The structure is 90 ft (27.4 m) long and 47 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesIa 70
CrossesGoshen Ditch
Location0.5 Mi. N of Jct. SR F70
RouteState Highway 70
CountyMuscatine County
StateIowa
Coordinates41.53211, -91.2518
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.4 US tons
Inventory rating53.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span35 ft (10.7 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,660 (2022)
Projected traffic2,660 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemYes

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 70 over Goshen Ditch built?

It was built in 2007, making it 18 years old in 2025.

What condition is Ia 70 over Goshen Ditch 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 September 2023.

How much traffic does Ia 70 over Goshen Ditch carry?

About 2,660 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Ia 70 over Goshen Ditch?

The structure is 90 ft (27.4 m) long with a longest span of 35 ft (10.7 m) and a deck 47 ft wide.

Who owns Ia 70 over Goshen Ditch?

It is owned by the State Highway Agency.