US Bridges

SW 9th Street over Middle Creek

Good

Warren County, Iowa · 077240904 · Structure no. 000000000335222

Built
2023
2 years old
Condition
Good
inspected July 2023
Type
Slab
Concrete Continuous
Length
121 ft
3 main spans
Daily traffic
4,465
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

SW 9th Street over Middle Creek is a concrete continuous slab carrying SW 9th Street over Middle Creek in Warren County, Iowa. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,465 vehicles a day, projected to reach 4,465 by 2043. The structure is 121 ft (36.9 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSW 9th Street
CrossesMiddle Creek
Location077240904
RouteCity Street 0
CountyWarren County
StateIowa
Coordinates41.4949, -93.62573
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable 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 length121 ft (36.9 m)
Longest span47 ft (14.3 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,465 (2022)
Projected traffic4,465 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW 9th Street over Middle Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is SW 9th Street over Middle 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 SW 9th Street over Middle Creek carry?

About 4,465 vehicles per day (2022 count).

How long is SW 9th Street over Middle Creek?

The structure is 121 ft (36.9 m) long with a longest span of 47 ft (14.3 m) and a deck 37 ft wide.

Who owns SW 9th Street over Middle Creek?

It is owned by the City or Municipal Highway Agency.