US Bridges

150th ST over Brush Creek

Good

Jackson County, Iowa · County · Structure no. 000000000193521

Built
2011
14 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
140 ft
3 main spans
Daily traffic
550
2021 count
Owner
County
County Highway Agency

About this bridge

150th ST over Brush Creek is a concrete continuous slab carrying 150th ST over Brush Creek in Jackson County, Iowa. It was built in 2011, so it is 14 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 550 vehicles a day, projected to reach 550 by 2043. The structure is 140 ft (42.7 m) long and 32 ft wide.

Carries150th ST
CrossesBrush Creek
LocationCounty
RouteCounty Highway 0
StateIowa
Coordinates42.15197, -90.57116
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length140 ft (42.7 m)
Longest span55 ft (16.8 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2021)
Projected traffic550 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 150th ST over Brush Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is 150th ST over Brush 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 March 2023.

How much traffic does 150th ST over Brush Creek carry?

About 550 vehicles per day (2021 count).

How long is 150th ST over Brush Creek?

The structure is 140 ft (42.7 m) long with a longest span of 55 ft (16.8 m) and a deck 32 ft wide.

Who owns 150th ST over Brush Creek?

It is owned by the County Highway Agency.