US Bridges

Louisa RD over Br of Waddams Creek

Good

Stephenson County, Illinois · 0.7 MI W Ill Rt 73 · Structure no. 089504800000000

Built
1966
59 years old, rebuilt 2007
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
—
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Louisa RD over Br of Waddams Creek is a concrete continuous culvert carrying Louisa RD over Br of Waddams Creek in Stephenson County, Illinois. It was built in 1966 and reconstructed in 2007, so it is 59 years old, older than the Illinois average of 45.3 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.

No traffic count is recorded. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLouisa RD
CrossesBr of Waddams Creek
Location0.7 MI W Ill Rt 73
RouteCounty Highway 0
Coordinates42.4009, -89.81401
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating18.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length22 ft (6.7 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic51 by 2046
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

OwnerTown or Township 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 Louisa RD over Br of Waddams Creek built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2007.

What condition is Louisa RD over Br of Waddams 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 October 2023.

How much traffic does Louisa RD over Br of Waddams Creek carry?

No traffic count is recorded for this structure.

How long is Louisa RD over Br of Waddams Creek?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.3 m).

Who owns Louisa RD over Br of Waddams Creek?

It is owned by the Town or Township Highway Agency.