US Bridges

Louise Lane over Bordeaux Run

Good

Dubuque County, Iowa · N.W. of Peru RD · Structure no. 000000000504161

Built
2009
16 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
684
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Louise Lane over Bordeaux Run is a concrete culvert carrying Louise Lane over Bordeaux Run in Dubuque 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 684 vehicles a day, projected to reach 684 by 2043. The structure is 31 ft (9.4 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesLouise Lane
CrossesBordeaux Run
LocationN.W. of Peru RD
RouteCity Street 0
CountyDubuque County
StateIowa
Coordinates42.53116, -90.67711
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic684 (2022)
Projected traffic684 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Louise Lane over Bordeaux Run built?

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

What condition is Louise Lane over Bordeaux Run 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 August 2023.

How much traffic does Louise Lane over Bordeaux Run carry?

About 684 vehicles per day (2022 count).

How long is Louise Lane over Bordeaux Run?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns Louise Lane over Bordeaux Run?

It is owned by the City or Municipal Highway Agency.