US Bridges

Bunge Ave over I-29

Fair

Mills County, Iowa · At Jct. of I-29 · Structure no. 000000000036140

Built
1968
57 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
219 ft
4 main spans
Daily traffic
4,927
2022 count
Owner
State
State Highway Agency

About this bridge

Bunge Ave over I-29 is a prestressed concrete stringer/multi-beam or girder carrying Bunge Ave over I-29 in Mills County, Iowa. It was built in 1968, so it is 57 years old, older 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 4,927 vehicles a day, roughly 12% of them trucks, projected to reach 4,927 by 2042. The structure is 219 ft (66.8 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBunge Ave
CrossesI-29
LocationAt Jct. of I-29
RouteCounty Highway 0
CountyMills County
StateIowa
Coordinates41.14928, -95.82275
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80.1 US tons
Inventory rating48.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length219 ft (66.8 m)
Longest span69 ft (21 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,927 (2022)
Projected traffic4,927 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 Bunge Ave over I-29 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Bunge Ave 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 April 2023.

How much traffic does Bunge Ave over I-29 carry?

About 4,927 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Bunge Ave over I-29?

The structure is 219 ft (66.8 m) long with a longest span of 69 ft (21 m) and a deck 35 ft wide.

Who owns Bunge Ave over I-29?

It is owned by the State Highway Agency.