US Bridges

100th Ave over Pumpkin Creek

Good

Jackson County, Iowa · 084E23104 · Structure no. 000000000192281

Built
2021
4 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
45
2017 count
Owner
County
County Highway Agency

About this bridge

100th Ave over Pumpkin Creek is a steel stringer/multi-beam or girder carrying 100th Ave over Pumpkin Creek in Jackson County, Iowa. It was built in 2021, so it is 4 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 45 vehicles a day, projected to reach 45 by 2044. The structure is 34 ft (10.4 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries100th Ave
CrossesPumpkin Creek
Location084E23104
RouteCounty Highway 0
StateIowa
Coordinates42.03298, -90.78197
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2017)
Projected traffic45 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 100th Ave over Pumpkin Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is 100th Ave over Pumpkin Creek 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 February 2024.

How much traffic does 100th Ave over Pumpkin Creek carry?

About 45 vehicles per day (2017 count).

How long is 100th Ave over Pumpkin Creek?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.

Who owns 100th Ave over Pumpkin Creek?

It is owned by the County Highway Agency.