US Bridges

CR 100N over Coal Creek

PoorPosted for load

Fountain County, Indiana · 00.30 W of US 41 · Structure no. 2300103

Built
1924
101 years old
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel
Length
128 ft
1 main span
Daily traffic
150
2024 count
Owner
County
County Highway Agency

About this bridge

CR 100N over Coal Creek is a steel truss - thru carrying CR 100N over Coal Creek in Fountain County, Indiana. It was built in 1924, so it is 101 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 150 vehicles a day, roughly 6% of them trucks, projected to reach 225 by 2044. The structure is 128 ft (39.1 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 100N
CrossesCoal Creek
Location00.30 W of US 41
RouteCounty Highway 40
CountyFountain County
StateIndiana
Coordinates40.14252, -87.24975
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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.1 US tons
Inventory rating8.3 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length128 ft (39.1 m)
Longest span128 ft (39 m)
Deck width19 ft (5.7 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deck15 ft (4.7 m)

Traffic and service

Average daily traffic150 (2024)
Projected traffic225 by 2044
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 100N over Coal Creek built?

It was built in 1924, making it 101 years old in 2025.

What condition is CR 100N over Coal 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 June 2024.

How much traffic does CR 100N over Coal Creek carry?

About 150 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is CR 100N over Coal Creek?

The structure is 128 ft (39.1 m) long with a longest span of 128 ft (39 m) and a deck 19 ft wide.

Who owns CR 100N over Coal Creek?

It is owned by the County Highway Agency.