US Bridges

Ferguson RD over Natural Drain

Fair

Allen County, Indiana · 00.30 E Winchester Road · Structure no. 0200251

Built
1972
53 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
4,372
2018 count
Owner
County
County Highway Agency

About this bridge

Ferguson RD over Natural Drain is a prestressed concrete stringer/multi-beam or girder carrying Ferguson RD over Natural Drain in Allen County, Indiana. It was built in 1972, so it is 53 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 4,372 vehicles a day, roughly 5% of them trucks, projected to reach 6,532 by 2038. The structure is 77 ft (23.4 m) long and 69 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesFerguson RD
CrossesNatural Drain
Location00.30 E Winchester Road
RouteCounty Highway 0
CountyAllen County
StateIndiana
Coordinates40.99008, -85.12659
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating36.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length77 ft (23.4 m)
Longest span75 ft (22.8 m)
Deck width69 ft (20.9 m)
Roadway width63 ft (19.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,372 (2018)
Projected traffic6,532 by 2038
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ferguson RD over Natural Drain built?

It was built in 1972, making it 53 years old in 2025.

What condition is Ferguson RD over Natural Drain 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 Ferguson RD over Natural Drain carry?

About 4,372 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Ferguson RD over Natural Drain?

The structure is 77 ft (23.4 m) long with a longest span of 75 ft (22.8 m) and a deck 69 ft wide.

Who owns Ferguson RD over Natural Drain?

It is owned by the County Highway Agency.