US Bridges

Lrd Doctor Martin over IH 43

Fair

Milwaukee County, Wisconsin · 0.1 MI S JCT Sth 190 · Structure no. B40007800000000

Built
1961
64 years old, rebuilt 2002
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
457 ft
3 main spans
Daily traffic
12,400
2022 count
Owner
State
State Highway Agency

About this bridge

Lrd Doctor Martin over IH 43 is a steel continuous stringer/multi-beam or girder carrying Lrd Doctor Martin over IH 43 in Milwaukee County, Wisconsin. It was built in 1961 and reconstructed in 2002, so it is 64 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 12,400 vehicles a day, projected to reach 12,400 by 2042. The structure is 457 ft (139.4 m) long and 67 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesLrd Doctor Martin
CrossesIH 43
Location0.1 MI S JCT Sth 190
RouteCity Street 0
CountyMilwaukee County
StateWisconsin
Coordinates43.0871, -87.92132
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length457 ft (139.4 m)
Longest span186 ft (56.6 m)
Deck width67 ft (20.3 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,400 (2022)
Projected traffic12,400 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lrd Doctor Martin over IH 43 built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2002.

What condition is Lrd Doctor Martin over IH 43 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 March 2023.

How much traffic does Lrd Doctor Martin over IH 43 carry?

About 12,400 vehicles per day (2022 count).

How long is Lrd Doctor Martin over IH 43?

The structure is 457 ft (139.4 m) long with a longest span of 186 ft (56.6 m) and a deck 67 ft wide.

Who owns Lrd Doctor Martin over IH 43?

It is owned by the State Highway Agency.