US Bridges

Edinburgh Road over Branch of Big Blue River

Poor

Shelby County, Indiana · 00.25 W of CR 600 W · Structure no. 7300087

Built
1930
95 years old
Condition
Poor
inspected October 2024
Type
Girder and Floorbeam System
Steel
Length
29 ft
1 main span
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

Edinburgh Road over Branch of Big Blue River is a steel girder and floorbeam system carrying Edinburgh Road over Branch of Big Blue River in Shelby County, Indiana. It was built in 1930, so it is 95 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 150 vehicles a day, roughly 5% of them trucks, projected to reach 225 by 2042. The structure is 29 ft (8.8 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesEdinburgh Road
CrossesBranch of Big Blue River
Location00.25 W of CR 600 W
RouteCounty Highway 0
StateIndiana
Coordinates39.4218, -85.89744
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.9 US tons
Inventory rating27.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic225 by 2042
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 Edinburgh Road over Branch of Big Blue River built?

It was built in 1930, making it 95 years old in 2025.

What condition is Edinburgh Road over Branch of Big Blue River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Edinburgh Road over Branch of Big Blue River carry?

About 150 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Edinburgh Road over Branch of Big Blue River?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 21 ft wide.

Who owns Edinburgh Road over Branch of Big Blue River?

It is owned by the County Highway Agency.