US Bridges

Waubonsie Avenu over Waubonsie Creek

Fair

Fremont County, Iowa · 070431206 · Structure no. 000000000161541

Built
1991
34 years old
Condition
Fair
inspected April 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
179 ft
3 main spans
Daily traffic
908
2022 count
Owner
County
County Highway Agency

About this bridge

Waubonsie Avenu over Waubonsie Creek is a prestressed concrete stringer/multi-beam or girder carrying Waubonsie Avenu over Waubonsie Creek in Fremont County, Iowa. It was built in 1991, so it is 34 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 908 vehicles a day, roughly 14% of them trucks, projected to reach 908 by 2043. The structure is 179 ft (54.6 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesWaubonsie Avenu
CrossesWaubonsie Creek
Location070431206
RouteCounty Highway 0
CountyFremont County
StateIowa
Coordinates40.88445, -95.74716
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.4 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length179 ft (54.6 m)
Longest span65 ft (19.8 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic908 (2022)
Projected traffic908 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Waubonsie Avenu over Waubonsie Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Waubonsie Avenu over Waubonsie Creek 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 2021.

How much traffic does Waubonsie Avenu over Waubonsie Creek carry?

About 908 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Waubonsie Avenu over Waubonsie Creek?

The structure is 179 ft (54.6 m) long with a longest span of 65 ft (19.8 m) and a deck 33 ft wide.

Who owns Waubonsie Avenu over Waubonsie Creek?

It is owned by the County Highway Agency.