US Bridges

I 29 NB over Ave G

Good

Pottawattamie County, Iowa · 0.3 Mi. N of Jct. US 6 · Structure no. 000000000044811

Built
2022
3 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
239 ft
3 main spans
Daily traffic
—
2022 count
Owner
State
State Highway Agency

About this bridge

I 29 NB over Ave G is a prestressed concrete stringer/multi-beam or girder carrying I 29 NB over Ave G in Pottawattamie 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.

No traffic count is recorded. The structure is 239 ft (72.8 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 29 NB
CrossesAve G
Location0.3 Mi. N of Jct. US 6
RouteInterstate 29
CountyPottawattamie County
StateIowa
Coordinates41.26777, -95.90774
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length239 ft (72.8 m)
Longest span82 ft (25 m)
Deck width66 ft (20.2 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 29 NB over Ave G built?

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

What condition is I 29 NB over Ave G 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 December 2023.

How much traffic does I 29 NB over Ave G carry?

No traffic count is recorded for this structure.

How long is I 29 NB over Ave G?

The structure is 239 ft (72.8 m) long with a longest span of 82 ft (25 m) and a deck 66 ft wide.

Who owns I 29 NB over Ave G?

It is owned by the State Highway Agency.