US Bridges

Local - Quimby over Nishnabotna River

Good

Cass County, Iowa · 075373003 · Structure no. 000000000098871

Built
2007
18 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
347 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

Local - Quimby over Nishnabotna River is a prestressed concrete stringer/multi-beam or girder carrying Local - Quimby over Nishnabotna River in Cass County, Iowa. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, projected to reach 100 by 2044. The structure is 347 ft (105.8 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLocal - Quimby
CrossesNishnabotna River
Location075373003
RouteCounty Highway 0
StateIowa
Coordinates41.27029, -95.14552
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length347 ft (105.8 m)
Longest span122 ft (37.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic100 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local - Quimby over Nishnabotna River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Local - Quimby over Nishnabotna River 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 March 2024.

How much traffic does Local - Quimby over Nishnabotna River carry?

About 100 vehicles per day (2022 count).

How long is Local - Quimby over Nishnabotna River?

The structure is 347 ft (105.8 m) long with a longest span of 122 ft (37.2 m) and a deck 27 ft wide.

Who owns Local - Quimby over Nishnabotna River?

It is owned by the County Highway Agency.