US Bridges

SR 1 over Brushy Fork

Fair

Dearborn County, Indiana · 07.16 S I-74 · Structure no. 000030

Built
1932
93 years old, rebuilt 1984
Condition
Fair
inspected July 2023
Type
Arch - Deck
Concrete
Length
52 ft
1 main span
Daily traffic
4,241
2014 count
Owner
State
State Highway Agency

About this bridge

SR 1 over Brushy Fork is a concrete arch - deck carrying SR 1 over Brushy Fork in Dearborn County, Indiana. It was built in 1932 and reconstructed in 1984, so it is 93 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 4,241 vehicles a day, roughly 10% of them trucks, projected to reach 4,183 by 2031. The structure is 52 ft (15.8 m) long and 47 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

CarriesSR 1
CrossesBrushy Fork
Location07.16 S I-74
RouteState Highway 1
StateIndiana
Coordinates39.19487, -84.90813
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating61.2 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,241 (2014)
Projected traffic4,183 by 2031
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 1 over Brushy Fork built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1984.

What condition is SR 1 over Brushy Fork 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 July 2023.

How much traffic does SR 1 over Brushy Fork carry?

About 4,241 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is SR 1 over Brushy Fork?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 47 ft wide.

Who owns SR 1 over Brushy Fork?

It is owned by the State Highway Agency.