US Bridges

Lrd Wright RD over Spring Brook

Fair

Rock County, Wisconsin · 0.1M N JCT Cth Mm · Structure no. P53072400000000

Built
1969
56 years old
Condition
Fair
inspected August 2024
Type
Arch - Deck
Steel
Length
62 ft
3 main spans
Daily traffic
8,300
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Wright RD over Spring Brook is a steel arch - deck carrying Lrd Wright RD over Spring Brook in Rock County, Wisconsin. It was built in 1969, so it is 56 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,300 vehicles a day, projected to reach 9,960 by 2043. The structure is 62 ft (18.9 m) long and 95 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesLrd Wright RD
CrossesSpring Brook
Location0.1M N JCT Cth Mm
RouteCity Street 0
CountyRock County
StateWisconsin
Coordinates42.68565, -88.97312
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating26.8 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckOther
Main spans3
Design loadH 20
Structure length62 ft (18.9 m)
Longest span20 ft (6.1 m)
Deck width95 ft (28.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2022)
Projected traffic9,960 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Lrd Wright RD over Spring Brook built?

It was built in 1969, making it 56 years old in 2025.

What condition is Lrd Wright RD over Spring Brook in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Lrd Wright RD over Spring Brook carry?

About 8,300 vehicles per day (2022 count).

How long is Lrd Wright RD over Spring Brook?

The structure is 62 ft (18.9 m) long with a longest span of 20 ft (6.1 m) and a deck 95 ft wide.

Who owns Lrd Wright RD over Spring Brook?

It is owned by the City or Municipal Highway Agency.