US Bridges

Jackson RD over Small Stream

Good

Cass County, Iowa · 076361303 · Structure no. 000000000099582

Built
2015
10 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
84 ft
3 main spans
Daily traffic
110
2022 count
Owner
County
County Highway Agency

About this bridge

Jackson RD over Small Stream is a concrete continuous slab carrying Jackson RD over Small Stream in Cass County, Iowa. It was built in 2015, so it is 10 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 110 vehicles a day, roughly 34% of them trucks, projected to reach 110 by 2044. The structure is 84 ft (25.6 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesJackson RD
CrossesSmall Stream
Location076361303
RouteCounty Highway 0
StateIowa
Coordinates41.37799, -94.94381
Functional classRural Minor Collector

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 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55.3 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length84 ft (25.6 m)
Longest span31 ft (9.4 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2022)
Projected traffic110 by 2044
Trucks34%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Jackson RD over Small Stream built?

It was built in 2015, making it 10 years old in 2025.

What condition is Jackson RD over Small Stream 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 Jackson RD over Small Stream carry?

About 110 vehicles per day (2022 count), of which roughly 34% are trucks.

How long is Jackson RD over Small Stream?

The structure is 84 ft (25.6 m) long with a longest span of 31 ft (9.4 m) and a deck 33 ft wide.

Who owns Jackson RD over Small Stream?

It is owned by the County Highway Agency.