US Bridges

Lrd Ernst RD / for over N Br Pemebonwon River

Fair

Marinette County, Wisconsin · 0.75 MI West of Cth O · Structure no. B38015100000000

Built
1980
45 years old, rebuilt 2019
Condition
Fair
inspected October 2023
Type
Slab
Wood or Timber
Length
26 ft
1 main span
Daily traffic
99
2024 count
Owner
County
County Highway Agency

About this bridge

Lrd Ernst RD / for over N Br Pemebonwon River is a wood or timber slab carrying Lrd Ernst RD / for over N Br Pemebonwon River in Marinette County, Wisconsin. It was built in 1980 and reconstructed in 2019, so it is 45 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 99 vehicles a day, projected to reach 99 by 2042. The structure is 26 ft (7.9 m) long and 18 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesLrd Ernst RD / for
CrossesN Br Pemebonwon River
Location0.75 MI West of Cth O
RouteCity Street 0
CountyMarinette County
StateWisconsin
Coordinates45.72022, -88.03905
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating108 US tons
Inventory rating78.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (2024)
Projected traffic99 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$143,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Ernst RD / for over N Br Pemebonwon River built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2019.

What condition is Lrd Ernst RD / for over N Br Pemebonwon River 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 October 2023.

How much traffic does Lrd Ernst RD / for over N Br Pemebonwon River carry?

About 99 vehicles per day (2024 count).

How long is Lrd Ernst RD / for over N Br Pemebonwon River?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 18 ft wide.

Who owns Lrd Ernst RD / for over N Br Pemebonwon River?

It is owned by the County Highway Agency.