US Bridges

Coal Bluff RD over N Branch Otter Creek

PoorPosted for load

Parke County, Indiana · 00.90 W of SR 59 · Structure no. 6100016

Built
1958
67 years old
Condition
Poor
inspected April 2024
Type
Channel Beam
Concrete
Length
56 ft
3 main spans
Daily traffic
382
2018 count
Owner
County
County Highway Agency

About this bridge

Coal Bluff RD over N Branch Otter Creek is a concrete channel beam carrying Coal Bluff RD over N Branch Otter Creek in Parke County, Indiana. It was built in 1958, so it is 67 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. Its operating status is: posted for load restriction.

It carries about 382 vehicles a day, roughly 4% of them trucks, projected to reach 454 by 2038. The structure is 56 ft (17 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCoal Bluff RD
CrossesN Branch Otter Creek
Location00.90 W of SR 59
RouteCounty Highway 0
StateIndiana
Coordinates39.60606, -87.13855
Functional classRural Minor Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.8 US tons
Inventory rating55.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length56 ft (17 m)
Longest span24 ft (7.3 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic382 (2018)
Projected traffic454 by 2038
Trucks4%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Coal Bluff RD over N Branch Otter Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Coal Bluff RD over N Branch Otter Creek 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 April 2024.

How much traffic does Coal Bluff RD over N Branch Otter Creek carry?

About 382 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is Coal Bluff RD over N Branch Otter Creek?

The structure is 56 ft (17 m) long with a longest span of 24 ft (7.3 m) and a deck 22 ft wide.

Who owns Coal Bluff RD over N Branch Otter Creek?

It is owned by the County Highway Agency.