US Bridges

Newell ST over Blowers Creek

Good

Black Hawk County, Iowa · City Bridge No. 14 · Structure no. 000000000011910

Built
1978
47 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
47 ft
1 main span
Daily traffic
2,186
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Newell ST over Blowers Creek is a concrete slab carrying Newell ST over Blowers Creek in Black Hawk County, Iowa. It was built in 1978, so it is 47 years old, older 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 2,186 vehicles a day, projected to reach 2,186 by 2043. The structure is 47 ft (14.3 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesNewell ST
CrossesBlowers Creek
LocationCity Bridge No. 14
RouteCity Street 0
CountyBlack Hawk County
StateIowa
Coordinates42.51296, -92.29263
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span41 ft (12.5 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,186 (2022)
Projected traffic2,186 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Newell ST over Blowers Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Newell ST over Blowers 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 June 2023.

How much traffic does Newell ST over Blowers Creek carry?

About 2,186 vehicles per day (2022 count).

How long is Newell ST over Blowers Creek?

The structure is 47 ft (14.3 m) long with a longest span of 41 ft (12.5 m) and a deck 35 ft wide.

Who owns Newell ST over Blowers Creek?

It is owned by the City or Municipal Highway Agency.