US Bridges

W Broadway over Bluegrass Creek

Good

Audubon County, Iowa · 675 West of US HWY 71 · Structure no. 000000000000521

Built
2009
16 years old
Condition
Good
inspected July 2023
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
311
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Broadway over Bluegrass Creek is a concrete continuous slab carrying W Broadway over Bluegrass Creek in Audubon 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 311 vehicles a day, roughly 11% of them trucks, projected to reach 311 by 2043. The structure is 93 ft (28.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW Broadway
CrossesBluegrass Creek
Location675 West of US HWY 71
RouteCity Street 0
StateIowa
Coordinates41.71915, -94.93643
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating43.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span35 ft (10.7 m)
Deck width43 ft (13.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic311 (2022)
Projected traffic311 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 byTown or Township 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 W Broadway over Bluegrass Creek built?

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

What condition is W Broadway over Bluegrass 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 July 2023.

How much traffic does W Broadway over Bluegrass Creek carry?

About 311 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is W Broadway over Bluegrass Creek?

The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 43 ft wide.

Who owns W Broadway over Bluegrass Creek?

It is owned by the City or Municipal Highway Agency and maintained by the Town or Township Highway Agency.