US Bridges

Hazel ST over Keg Creek

Good

Mills County, Iowa · 000000000 · Structure no. 000000000502531

Built
2009
16 years old
Condition
Good
inspected February 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
189 ft
3 main spans
Daily traffic
1,704
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hazel ST over Keg Creek is a prestressed concrete stringer/multi-beam or girder carrying Hazel ST over Keg Creek in Mills County, Iowa. It was built in 2009, so it is 16 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 1,704 vehicles a day, projected to reach 1,704 by 2043. The structure is 189 ft (57.5 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHazel ST
CrossesKeg Creek
Location000000000
RouteCity Street 0
CountyMills County
StateIowa
Coordinates41.03704, -95.74544
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length189 ft (57.5 m)
Longest span69 ft (21 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,704 (2022)
Projected traffic1,704 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Hazel ST over Keg Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Hazel ST over Keg 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 2021.

How much traffic does Hazel ST over Keg Creek carry?

About 1,704 vehicles per day (2022 count).

How long is Hazel ST over Keg Creek?

The structure is 189 ft (57.5 m) long with a longest span of 69 ft (21 m) and a deck 33 ft wide.

Who owns Hazel ST over Keg Creek?

It is owned by the City or Municipal Highway Agency.