US Bridges

Sampson RD over Hoffman Ditch #2

Fair

Allen County, Indiana · 00.25 S US 30 · Structure no. 0200116

Built
1892
133 years old, rebuilt 1979
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
2 main spans
Daily traffic
130
2018 count
Owner
County
County Highway Agency

About this bridge

Sampson RD over Hoffman Ditch #2 is a prestressed concrete box beam or girders - multiple carrying Sampson RD over Hoffman Ditch #2 in Allen County, Indiana. It was built in 1892 and reconstructed in 1979, so it is 133 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 130 vehicles a day, roughly 5% of them trucks, projected to reach 194 by 2038. The structure is 74 ft (22.5 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSampson RD
CrossesHoffman Ditch #2
Location00.25 S US 30
RouteCounty Highway 0
CountyAllen County
StateIndiana
Coordinates41.02104, -84.88294
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.8 US tons
Inventory rating40.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length74 ft (22.5 m)
Longest span33 ft (10.2 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2018)
Projected traffic194 by 2038
Trucks5%
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 Sampson RD over Hoffman Ditch #2 built?

It was built in 1892, making it 133 years old in 2025. It was reconstructed in 1979.

What condition is Sampson RD over Hoffman Ditch #2 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 May 2024.

How much traffic does Sampson RD over Hoffman Ditch #2 carry?

About 130 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Sampson RD over Hoffman Ditch #2?

The structure is 74 ft (22.5 m) long with a longest span of 33 ft (10.2 m) and a deck 23 ft wide.

Who owns Sampson RD over Hoffman Ditch #2?

It is owned by the County Highway Agency.