US Bridges

I 29 SB to I 80 EB over I 29 & Cbec RR

Good

Pottawattamie County, Iowa · I-29/I-80 Ramp F · Structure no. 000000000700410

Built
2019
6 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,646 ft
13 main spans
Daily traffic
3,380
2022 count
Owner
State
State Highway Agency

About this bridge

I 29 SB to I 80 EB over I 29 & Cbec RR is a steel continuous stringer/multi-beam or girder carrying I 29 SB to I 80 EB over I 29 & Cbec RR in Pottawattamie County, Iowa. It was built in 2019, so it is 6 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.

It carries about 3,380 vehicles a day, roughly 23% of them trucks, projected to reach 3,380 by 2044. The structure is 2,646 ft (806.4 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 29 SB to I 80 EB
CrossesI 29 & Cbec RR
LocationI-29/I-80 Ramp F
RouteInterstate 80
StateIowa
Coordinates41.23043, -95.84195
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadHL 93
Structure length2,646 ft (806.4 m)
Longest span235 ft (71.6 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic3,380 (2022)
Projected traffic3,380 by 2044
Trucks23%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 29 SB to I 80 EB over I 29 & Cbec RR built?

It was built in 2019, making it 6 years old in 2025.

What condition is I 29 SB to I 80 EB over I 29 & Cbec RR 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 2024.

How much traffic does I 29 SB to I 80 EB over I 29 & Cbec RR carry?

About 3,380 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is I 29 SB to I 80 EB over I 29 & Cbec RR?

The structure is 2,646 ft (806.4 m) long with a longest span of 235 ft (71.6 m) and a deck 51 ft wide.

Who owns I 29 SB to I 80 EB over I 29 & Cbec RR?

It is owned by the State Highway Agency.