US Bridges

Western Ave over I-29

Fair

Fremont County, Iowa · 1.7 Mi. N of SR J-24 · Structure no. 000000000025570

Built
1970
55 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
315 ft
4 main spans
Daily traffic
61
2021 count
Owner
State
State Highway Agency

About this bridge

Western Ave over I-29 is a steel continuous stringer/multi-beam or girder carrying Western Ave over I-29 in Fremont County, Iowa. It was built in 1970, so it is 55 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 5 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 61 vehicles a day, projected to reach 61 by 2043. The structure is 315 ft (96 m) long and 33 ft wide.

CarriesWestern Ave
CrossesI-29
Location1.7 Mi. N of SR J-24
RouteCounty Highway 0
StateIowa
Coordinates40.84613, -95.80668
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.3 US tons
Inventory rating29 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length315 ft (96 m)
Longest span101 ft (30.8 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61 (2021)
Projected traffic61 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Western Ave over I-29 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Western 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 May 2023.

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

About 61 vehicles per day (2021 count).

How long is Western Ave over I-29?

The structure is 315 ft (96 m) long with a longest span of 101 ft (30.8 m) and a deck 33 ft wide.

Who owns Western Ave over I-29?

It is owned by the State Highway Agency.