US Bridges

N Tamarack Road over Peter Sarber Ditch

Fair

Marshall County, Indiana · 00.20 N of W 3B Road · Structure no. 5000018

Built
1961
64 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
625
2024 count
Owner
County
County Highway Agency

About this bridge

N Tamarack Road over Peter Sarber Ditch is a prestressed concrete box beam or girders - multiple carrying N Tamarack Road over Peter Sarber Ditch in Marshall County, Indiana. It was built in 1961, so it is 64 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 625 vehicles a day, roughly 3% of them trucks, projected to reach 950 by 2044. The structure is 61 ft (18.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN Tamarack Road
CrossesPeter Sarber Ditch
Location00.20 N of W 3B Road
RouteCounty Highway 13
StateIndiana
Coordinates41.42962, -86.42516
Functional classRural Minor Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating43.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length61 ft (18.5 m)
Longest span56 ft (17.2 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2024)
Projected traffic950 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N Tamarack Road over Peter Sarber Ditch built?

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

What condition is N Tamarack Road over Peter Sarber Ditch 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 2024.

How much traffic does N Tamarack Road over Peter Sarber Ditch carry?

About 625 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is N Tamarack Road over Peter Sarber Ditch?

The structure is 61 ft (18.5 m) long with a longest span of 56 ft (17.2 m) and a deck 28 ft wide.

Who owns N Tamarack Road over Peter Sarber Ditch?

It is owned by the County Highway Agency.