US Bridges

N Dearborn RD over E Fork Tanners Creek

Fair

Dearborn County, Indiana · 01.80 E York Ridge · Structure no. 1500082

Built
1989
36 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
172 ft
3 main spans
Daily traffic
1,410
2017 count
Owner
County
County Highway Agency

About this bridge

N Dearborn RD over E Fork Tanners Creek is a prestressed concrete continuous box beam or girders - single or spread carrying N Dearborn RD over E Fork Tanners Creek in Dearborn County, Indiana. It was built in 1989, so it is 36 years old, younger 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 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 1,410 vehicles a day, roughly 5% of them trucks, projected to reach 2,090 by 2037. The structure is 172 ft (52.4 m) long and 31 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesN Dearborn RD
CrossesE Fork Tanners Creek
Location01.80 E York Ridge
RouteCounty Highway 0
StateIndiana
Coordinates39.23324, -84.96367
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.3 US tons
Inventory rating14 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length172 ft (52.4 m)
Longest span58 ft (17.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,410 (2017)
Projected traffic2,090 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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$179,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was N Dearborn RD over E Fork Tanners Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is N Dearborn RD over E Fork Tanners Creek 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 April 2023.

How much traffic does N Dearborn RD over E Fork Tanners Creek carry?

About 1,410 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is N Dearborn RD over E Fork Tanners Creek?

The structure is 172 ft (52.4 m) long with a longest span of 58 ft (17.8 m) and a deck 31 ft wide.

Who owns N Dearborn RD over E Fork Tanners Creek?

It is owned by the County Highway Agency.