US Bridges

Ogden AVE/1st over I-29

Fair

Woodbury County, Iowa · 2.5 Mi. S of N Jct. US 75 · Structure no. 000000000609080

Built
2003
22 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
214 ft
2 main spans
Daily traffic
4,878
2022 count
Owner
State
State Highway Agency

About this bridge

Ogden AVE/1st over I-29 is a prestressed concrete stringer/multi-beam or girder carrying Ogden AVE/1st over I-29 in Woodbury County, Iowa. It was built in 2003, so it is 22 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,878 vehicles a day, roughly 8% of them trucks, projected to reach 4,878 by 2044. The structure is 214 ft (65.2 m) long and 89 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOgden AVE/1st
CrossesI-29
Location2.5 Mi. S of N Jct. US 75
RouteCity Street 0
StateIowa
Coordinates42.40052, -96.36713
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.5 US tons
Inventory rating29.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length214 ft (65.2 m)
Longest span110 ft (33.5 m)
Deck width89 ft (27.1 m)
Roadway width68 ft (20.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,878 (2022)
Projected traffic4,878 by 2044
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ogden AVE/1st over I-29 built?

It was built in 2003, making it 22 years old in 2025.

What condition is Ogden AVE/1st over I-29 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does Ogden AVE/1st over I-29 carry?

About 4,878 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Ogden AVE/1st over I-29?

The structure is 214 ft (65.2 m) long with a longest span of 110 ft (33.5 m) and a deck 89 ft wide.

Who owns Ogden AVE/1st over I-29?

It is owned by the State Highway Agency.