US Bridges

I 80 WB to I 35 NB over NE 29th ST

Good

Polk County, Iowa · 0.7 MI E of E Junc I35 · Structure no. 000000000700900

Built
2024
1 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
209 ft
3 main spans
Daily traffic
—
2022 count
Owner
State
State Highway Agency

About this bridge

I 80 WB to I 35 NB over NE 29th ST is a prestressed concrete stringer/multi-beam or girder carrying I 80 WB to I 35 NB over NE 29th ST in Polk County, Iowa. It was built in 2024, so it is 1 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 209 ft (63.7 m) long and 58 ft wide.

CarriesI 80 WB to I 35 NB
CrossesNE 29th ST
Location0.7 MI E of E Junc I35
RouteInterstate 80
StateIowa
Coordinates41.65479, -93.56058
Functional classRural Local

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 inspectionMarch 2024
Inspection intervalevery 13 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length209 ft (63.7 m)
Longest span92 ft (28 m)
Deck width58 ft (17.7 m)
Roadway width55 ft (16.7 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 closed—
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 I 80 WB to I 35 NB over NE 29th ST built?

It was built in 2024, making it 1 years old in 2025.

What condition is I 80 WB to I 35 NB over NE 29th ST 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 I 80 WB to I 35 NB over NE 29th ST carry?

No traffic count is recorded for this structure.

How long is I 80 WB to I 35 NB over NE 29th ST?

The structure is 209 ft (63.7 m) long with a longest span of 92 ft (28 m) and a deck 58 ft wide.

Who owns I 80 WB to I 35 NB over NE 29th ST?

It is owned by the State Highway Agency.