US Bridges

Collier Ridge RD over West Fork of Tanners CR

Good

Dearborn County, Indiana · 00.20 S of Fox RD · Structure no. 1500117

Built
2014
11 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
330
2017 count
Owner
County
County Highway Agency

About this bridge

Collier Ridge RD over West Fork of Tanners CR is a prestressed concrete stringer/multi-beam or girder carrying Collier Ridge RD over West Fork of Tanners CR in Dearborn County, Indiana. It was built in 2014, so it is 11 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 330 vehicles a day, roughly 10% of them trucks, projected to reach 490 by 2037. The structure is 180 ft (54.8 m) long and 30 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

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CarriesCollier Ridge RD
CrossesWest Fork of Tanners CR
Location00.20 S of Fox RD
RouteCounty Highway 0
CountyDearborn County
StateIndiana
Coordinates39.16962, -84.92992
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating30.8 US tons
Inventory rating23.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length180 ft (54.8 m)
Longest span63 ft (19.2 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2017)
Projected traffic490 by 2037
Trucks10%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Collier Ridge RD over West Fork of Tanners CR built?

It was built in 2014, making it 11 years old in 2025.

What condition is Collier Ridge RD over West Fork of Tanners CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Collier Ridge RD over West Fork of Tanners CR carry?

About 330 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is Collier Ridge RD over West Fork of Tanners CR?

The structure is 180 ft (54.8 m) long with a longest span of 63 ft (19.2 m) and a deck 30 ft wide.

Who owns Collier Ridge RD over West Fork of Tanners CR?

It is owned by the County Highway Agency.